Gametes are the only haploid cells in the human body because they are the cells involved in sexual reproduction, which requires the combination of one set of chromosomes from each parent to form a new individual. The rest of the cells in the human body are diploid and do not participate in sexual reproduction.
Gametes, which are also known as sex cells, are the only haploid cells in the human body because they are the cells that are involved in sexual reproduction. Haploid cells have a single set of chromosomes, while diploid cells, which make up the majority of cells in the human body, have two sets of chromosomes.
During sexual reproduction, gametes from each parent combine to form a new individual. The gametes from each parent contribute one set of chromosomes to the offspring, so that the resulting diploid cells in the offspring have two sets of chromosomes, one set from each parent.
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Answer:
Human gametes are haploid (n) as they are formed by meiosis during the process of gametogenesis.
Explanation:
Haploid can be described as a cell that contains a single set of chromosomes. The term haploid can also refer to the number of chromosomes in egg or sperm cells.
Haploid gametes lead to the fusion of male and female gametes, by which a diploid zygote is formed and the number of chromosomes remains the same in the progeny.
In humans, gametes are haploid cells that contain 23 chromosomes.
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Which statement BEST describes parasitism?
A.
The parasite is able to live on the host while providing benefits to the host.
B.
The host is the one who benefits at the expense of the parasite.
C.
The parasite is the one who benefits at the expense of the host.
D.
The parasite and host mutually benefit from the relationship.
C. The parasite is the one who benefits at the expense of the host.
When DNA is condensed in a form that can be seen with a microscope as it prepares for cell division it is called?
Answer:
The condensed form of DNA that can be seen with a microscope as it prepares for cell division is called chromatin.
Explanation:
In humans, brown eyes are dominant to blue and brown hair is dominant to blonde. Cross a homozygous dominant brown-eyed blonde man, with a blue-eyed and heterozygous brunette woman
On a geology field trip, Toccara’s class studies a sedimentary rock formation. Is it possible that material from this sedimentary rock could ever form igneous rock?
Answer:
It is possible for material from a sedimentary rock to become an igneous rock through a process called metamorphism.
Explanation:
It is possible for material from a sedimentary rock to become an igneous rock through a process called metamorphism. Metamorphism is the process of change in the structure, texture, or composition of a rock as a result of being subjected to high pressure, temperature, or both. During metamorphism, the original sedimentary rock is subjected to heat and pressure that is sufficient to cause the minerals in the rock to recrystallize into a new rock with a different composition and structure. If the conditions of metamorphism are high enough, the metamorphosed rock may become an igneous rock. This process can take place deep underground, where the rock is subjected to high temperatures and pressures due to the weight of the overlying rock and the heat of the Earth's interior.
The sample of DNA below is being analyzed to determine if a patient has
the genetic disorder. DNA sequence:3' CAA-TCG-CGG-TCT-CTT 5'.
Determine the mRNA sequence from the patient's DNA sequence.
If the sample of DNA below is being analyzed to determine if a patient has the genetic disorder and this DNA sequence is 3' CAA TCG CGG TCT CTT 5', then the mRNA sequence from the patient's DNA sequence is GUU AGC GCC AGA GAA.
What is the cell process of genetic transcription?The cell process of genetic transcription refers to the generation of a complementary strand of RNA from a DNA template chain, which may be a fragment of a sequence and the resulting mRNA can then be used to produce a protein by another cell process called translation.
Therefore, with this data, we can see that the cell process of genetic transcription is based on the generation of a complementary RNA strand by using a DNA sequence template such as for example the coding region of a gene.
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QUESTION 1
Life has gotten much better in the last 100 years, yet people are not any happier. This statement characterizes the...
a. escape from freedom
b. the point/counterpoint phenomenon
c. the paradox of progress
d. modern society
This statement is characterized by the concept of the paradox of progress, as shown in option C..
What is the paradox of progress?It is a psychosocial concept.It's the term that describes bad results coming from good processors.Progress is something good and desired by all communities. This is because all people want to progress in their social and individual lives. After all, the results of progress tend to be good, uplifting, and promote many good things.
However, there is a paradox where progress triggers poor results in elements that worked better in the past. An example of this can be seen in communities that progressed over time but emotionally regressed, keeping more people unhappy than before.
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Bunnies: Black fur is dominant to white fur. Use the letter “B” and “b” to answer the following questions.
6. Complete the punnet square to show the possible offspring of a true-breeding black rabbit and a true-breeding white rabbit. (true breeding parents are homozygous, know this for the test!)
7. What ratio would you see in the F1 genotypes?
8. What ratio would you see in the F1 phenotypes?
9. If you crossed two of these offspring, what would this generation be called?
10. Cross two offspring from the F1 generation. (Complete your Punnett square on scratch paper)
a. genotypes:
b. phenotypes:
Answer:
they are all 100% heterogenous ,,their genotype is Bb,, their prototype is black fur
Explanation:
look at my demonstration
HELP LIMITED TIME!!!!!!!!!
Solar, wind, wave, and nuclear energy are all ways of producing
energy without producing the negative outcome of:
Select one:
1, Decreased oxygen levels
2, Habitat loss
3, Increased greenhouse gas emissions
4, Non-native species
Answer:
3. Increased greenhouse gas emissions
Explanation:
Solar, wind, wave, and nuclear energy are all ways of producing energy without producing the negative outcome of increased greenhouse gas emissions. Greenhouse gases, such as carbon dioxide and methane, are released into the atmosphere through the burning of fossil fuels, such as coal, oil, and natural gas. These gases trap heat in the atmosphere and contribute to global warming and climate change. Solar, wind, wave, and nuclear energy, on the other hand, are forms of renewable energy that do not produce greenhouse gases when they are generated. They are considered more environmentally friendly alternatives to fossil fuels, and their use can help to reduce greenhouse gas emissions and mitigate the impacts of climate change.
the____is the portion of earth that can support living things.
Answer:
The Biosphere
Explanation:
The biosphere is a thin life-supporting portion on Earth's surface, extending a few km into the atmosphere to the deep-sea. It is composed of living organisms and nonliving factors from which the organisms derive energy and nutrients.
An enzyme called tyrosinase produced the dark compound in skin (melanin). I’m albinism, this enzyme does not work or is not present. Explain how each mutation could be responsible for Albinism.
The enzyme called tyrosinase produced the dark compound in the skin (melanin) but in albinism, this enzyme does not work or is not present, thereby this mutation could be responsible for Albinism because this phenomenon alters the molecular signaling pathway involved in the synthesis of skin pigments.
What is the relationship between genetic mutations and the alteration of signaling molecular pathways?The relationship between genetic mutations and the alteration of signaling molecular pathways is based on the fact that alteration in the genetic material can lead to defective proteins involved in a signaling network, thereby altering the final outcome of the pathway.
Therefore, with this data, we can see that the relationship between genetic mutations and the alteration of signaling molecular pathways is based on the molecular mechanisms that are altered during the generation of a phenotypic feature such as in this case skin pigmentation.
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Which of the following is a characteristic of renewable sources of energy
They are exhaustible
They cause air pollution
They will run out soon
They cause less pollution
Pls help ty
They cause less pollution. Renewable sources of energy, such as solar, wind, and hydroelectric, cause significantly less air and water pollution than non-renewable sources, such as coal and oil.
What is pollution?Pollution is the presence of toxic substances in the environment that can have a negative effect on humans, animals, and plants. It can either be the result of natural processes or due to man-made activities. Pollution can occur in the air, water, soil, and even in the food we consume. Common forms of pollution include air pollution, water pollution, plastic pollution, and noise pollution. Air pollution is the release of pollutants into the air which can cause harm to humans and the environment. Water pollution is the contamination of surface or ground water and can be caused by agricultural runoff, industrial pollution, and sewage. Plastic pollution is the accumulation of plastic particles in the environment that can damage ecosystems.
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Number of matings of roan-coated cows and roan coated bulls resulted in the following
When red cattle breed with red cattle, the resultant offspring show both red and white fur, resulting in a mixed coat pattern called "roan."
What is a roan bull?The roan pattern, normally in Shorthorn cattle, is inherited as a heterozygous genotype. Roaming is usually the intermixing of two dissimilar colored hairs - black and white make a blue roan while red and white make a red roan.
The roan coat color in livestock species is distinguished by a mixture of white and tint hair in cattle, If it is a breed that has the roan color pattern, like a Shorthorn, then yes it can be pure-blooded. Or it can be a cross-breed with the roan color pattern. Roan is a color, not a breed.
So we can conclude that Roan" mentions a horse coat color pattern characterized by a mixture of colors.
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Ravi is driving her car, hits a patch of ice, and momentarily loses control of the vehicle. Despite spinning in a full circle, Ravi manages to
avoid hitting any objects and drives away unharmed. Ravi experiences a surge of adrenaline and a racing heartbeat to due to the activation
of which of the following?
O sympathetic nervous system
O parasympathetic nervous system
O thyroid gland
O somatic nervous system
O pancreas
Ravi is driving her car, hits a patch of ice, and momentarily loses control of the vehicle. Ravi experiences a surge of adrenaline and a racing heartbeat to due to the activation due to Symphthetic nervous system.
What is Symphathetic nervous system?Autonomic nervous system includes the sympathetic nervous system. It might be referred to as your "automatic" nervous system because it controls a variety of processes that don't require conscious thought.
The ability of your sympathetic nervous system to react to risky or stressful conditions is its most well-known function.
When this happens, your sympathetic nervous system kicks in to help you escape danger by increasing your heart rate, pumping more blood to areas of your body that need it, and other responses.
Therefore, Ravi is driving her car, hits a patch of ice, and momentarily loses control of the vehicle. Ravi experiences a surge of adrenaline and a racing heartbeat to due to the activation due to Symphathetic nervous system.
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describe in general terms the intermediate species that led to the modern panda
Answer:
The intermediate species that led to the modern panda were likely carnivorous mammals that gradually evolved to have a diet that was primarily herbivorous. This evolution likely occurred over a period of millions of years and involved the development of physical adaptations such as enlarged molars and a strong jaw to help with grinding and crushing plant material. The intermediate species may also have evolved to have a more specialized digestive system to better process plant matter, as well as physical features such as a rounder head and short limbs to help with climbing and foraging in trees.
It is not known exactly what the intermediate species looked like or how many there were, but it is likely that they were small, agile mammals that lived in forests and other wooded areas. They may have had some physical similarities to modern pandas, such as a black and white coloration, but they would have differed in other ways, such as in their size, shape, and behavior.
Overall, the intermediate species that led to the modern panda were likely a diverse group of animals that evolved over time to become specialized herbivores with a unique set of physical and behavioral adaptations.
Explanation:
4. If the mass of two objects increases and the
distance between them stays the same, what happens to the gravitational force
between the two objects?
A. It decreases.
B. It remains the same.
C. It fluctuates.
D. It increases.
Answer:
As the mass of either object increases, the force of gravitational attraction between them also increases.
A veterinarian is trying to ascertain why a herd of sheep suddenly all have green lips and muzzles and are coughing and vomiting. He believes that they have ingested a biotoxin and asks the owner if he has noted any rubber bitterweed in his fields. The farmer is incredulous, saying, “It’s right in the name—BITTERweed. Sheep don’t eat that stuff.” Which fact would support the veterinarian’s theory that these sheep have eaten the poisonous scrub?
A.
Bitterweed grows in most parts of America.
B.
The weed is actually very sweet and sheep like the taste.
C.
If they have not been fed properly, sheep will eat bitterweed.
D.
Sheep will eat anything that is not tied down.
Answer:
C. If they have not been fed properly...
Explanation:
If they have not been fed properly, sheep will eat bitterweed. This fact would support the veterinarian's theory that the sheep have eaten the poisonous scrub, as it suggests that the sheep may have turned to eating the bitterweed due to hunger or malnutrition.
Would u pls help me ?????
Answer:
1.d 2.d 3.a 4.b 5.d 6.d 7.a
definition for necessary components ?
Answer:
Necessary components are elements or ingredients that are essential for something to exist or work properly.
Explanation:
Please select the word from the list that best fits the definition Brings drizzly rain
The word that bests fits the definition "Brings drizzly rain" is Brings precipitation.
What is precipitation?Any liquid or frozen water that forms in the atmosphere and falls back to Earth is referred to as precipitation. It takes many forms, including rain, sleet, and snow. Precipitation, along with evaporation and condensation, is one of the three major components of the global water cycle.
Without changing the meaning of the sentence, the best word that replaces drizzly rain is precipitation which is considered to mean light showers. Rain is water droplets that fall to the Earth's surface as precipitation.
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All cells of an organism are engaged in many different chemical reactions. This fact is best
supported by the presence in each cell of thousands of different kinds of
1. enzymes
2. nuclei
3. chloroplasts
4. organelles
backed up by the tens of thousands of different kinds of 1. enzymes which are found in every cell.
Do all chemical processes occur in cells?Metabolism is the totality of all chemical processes occurring within cells.The energy & life cycle of the cell are maintained and regulated by these chemical processes.Anabolic and catabolic chemical reactions are the two main types of chemical processes that take place throughout metabolism.
Which foods are enzyme-rich?Pineapples, papayas, mango, honey, bananas, avocado, kefir, sauerkraut, sauerkraut, miso, kiwifruit, and ginger are examples of foods that naturally contain digestive enzymes.Each of these foods may improve gut health and aid in digestion if you include them in your diet.
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Put the following in order from
Oldest to Youngest
Unicellular Eukaryotes
Multicellular Eukaryotes
Heterotrophic Prokaryotes
Autotrophic Prokaryotes
From an evolutionary point of view prokaryotes preceded eukaryotes. Therefore it can be said that prokaryotes are older than eukaryotes.
Multicellular organisms evolved from the unicellular eukaryotes at least 1.7 billion years ago. Some unicellular eukaryotes form multicellular aggregates that appear to represent an evolutionary transition from single cells to the multicellular organisms.
The first life forms on earth were heterotrophs and atmosphere was reducing. The advent of first autotrophs also however did not immediately make the atmosphere oxidizing
The first life on the Earth began more than 3.8 billion years ago with individual cells that did not contain nuclei known as prokaryotes. These first living cells were heterotrophs meaning that they were dependent on the external nutrition sources
The earliest cells were probably the heterotrophs. Most likely they got their energy from other molecules in organic “soup.” However, by about 3 billion years ago new way of obtaining energy evolved. This new way was the photosynthesis.
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Osmosis is the passive transport of what substance
Answer:
Osmosis is the passive transport of water molecules across a selectively permeable membrane. In osmosis, water moves from an area of high concentration (high water potential) to an area of low concentration (low water potential) in order to balance out the concentration on both sides of the membrane. This process can be observed in living cells, where the membrane surrounds the cell controls the flow of water and other molecules in and out of the cell.
In simple words, Osmosis is a type of diffusion that specifically refers to the movement of solvent molecules through a selectively permeable membrane. It is a fundamental concept in biology and is crucial for the proper functioning of cells and organisms.
Compare the punnet squares you constructed in Activity 4, "Breeding Corn", with the punnet squares you constructed in this activity. By answering the following questions, show how the possible outcomes of a cross for one trait help analyze two traits.
A. How did you need to change the punnet square to consider two traits?
B. How would you need to change the punnet square if you were to consider three traits?
Punnett squares represent the possible genotypes of the offspring according to the parental's gamete combinations. The number of gametes depend on the number of alleles and traits considered. A) New rows and columns were added to the square because each parent contributed with four types of gametes (4 rows and 4 columns). B) The square would be constructed with eight rows and eight columns.
What is a Punnett square?
The Punnett square is a graphic representation that shows the different types of gamete combinations according to the alleles involved in a cross.
Punnett squares are composed of columns and rows in which all the different potential gametes are placed.
columns represent one of the parental gametes, and rows represent the other parental's gametes.The intersection between each column and row suggests a possible genotype among the offspring.
The number of columns and rows will depend on the number of genes involved in the cross. We can use the formula 2ⁿ to figure out how many gametes are possible (2 is the number of alleles, and n is the number of genes). Assuming diallelic genes,
If we consider only one gene, two types of gametes are possible (2¹). If we consider two genes, four types of gametes are possible (2²). If we consider three genes, eight types of gametes are possible (2³)
Punnett squares shows the probabilities of getting offspring with different genotypes and their consequent phenotypes.
In the exposed example, we need to compare a punnett square in which we consider only one gene with a punnett square in wich two genes are considered.
From activity 4: Punnett square
Cross: Purple with yellow
Parentals) PP x pp
Gametes) P P p p
Punnett square)
P P
p Pp Pp
p Pp Pp
F1) 100% purple kernels, Pp.
Cross: Heterozygous purple kernels from F1
Parentals) Pp x Pp
Gametes) P p P p
Punnett square)
P p
P PP Pp
p Pp pp
F2) 75% Purple (PP + Pp) and 1/4 yellow kernels (pp)
In these crosses, we only consider one diallelic gene that expresses complete dominance.
Punnett squares are composed of two columns and two rows in which both types of gametes are located.
Now, we need to consider two genes (P and S), which means four alleles are involved and four type of gametes are possible.
Cross: Between two dihybrid individuals
Parentals) PpSs x PpSs
Gametes) PS, Ps, pS, ps PS, Ps, pS, ps
Punnett square)
PS Ps pS ps
PS PPSS PPSs PpSS PpSs
Ps PPSs PPss PpSs Ppss
pS PpSS PpSs ppSS ppSs
ps PpSs Ppss ppSs ppss
F1)
9/16 individuals are expected to express both dominant traits (PPSS, PpSS, PPSs, PpSs)3/16 individuals are expected to express only one dominant trait (PPss, Ppss)3/16 individuals are expected to express the other dominant trait (ppSS, ppSs) 1/16 individuals are expected to express both recessive traits (ppss)Now, we need to compare Punnett squares from activity 4 (one trait) with this new Punnett square (two traits), and answer the questions,
A. How did you need to change the punnet square to consider two traits?
Since we consider two traits, we need to add rows and columns according to the possible gametes. The new punnett square must have four columns and four rows (2ⁿ = 2² = 4).
Remember that all the possible gametes depend on the number of possible allelic combinations.
B. How would you need to change the punnet square if you were to consider three traits?
If we consider three traits, we need to construct a Punnett square with eight columns and eight rows (2ⁿ = 2³ = 8).
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If there were 1176 seeds collected, predict how many would be axial?
Predict how many seeds would be homozygous dominant?
homozygous recessive:
terminal?
heterozygous?
According to the given that actual flower position is dominant over terminal flower.
What is a homozygous dominant plant?When an organism possesses two copies of the same dominant allele, it is said to be homozygous dominant, and when it possesses two copies of the same recessive gene, it is said to be homozygous recessive.
When an organism is homozygous, it contains two copies of the same allele for a gene. When two copies of the same dominant allele or two copies of the same recessive allele are present in an organism, it is said to be homozygous dominant or homozygous recessive.
When an organism is heterozygous, it has two distinct alleles of the same gene. For instance, pea plants can have either homozygous dominant (red-red) or heterozygous red blooms (red-white). They are homozygous recessive if they have white blooms (white-white). Heterozygous carriers are always present.
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That is the table pls help
Abena is the smallest Elephant. Chipo is the largest Elephant. The increase in shoulder height of Bisa over 15 years is 85 cm.
How do elephants develop and grow?Early in their second decade of life, elephants become sexually mature. African elephants reach sexual maturity between the ages of 10 and 12, while Asian elephants reach sexual maturity around the age of 14.
How much time does it take an elephant to grow up?Total Size. Physical and emotional development in elephants takes a very long time. The majority of their size is reached by the age of 15, but they frequently continue to gain weight and develop in size until they are around 20 years old.
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What is earth’s approximate rate of movement along its orbit?
Answer:
Earth revolves in orbit around the sun in 365 days, 6 hours, 9 minutes with reference to the stars, at a speed ranging from 29.29 to 30.29 km/s.
Explanation:
What role do neurons serve within the nervous system? Why is it so important?
Answer:
Neurons are electrically excitable cells that transmit information throughout the nervous system. They are the basic building blocks of the nervous system and perform a variety of functions, including receiving and sending signals, processing information, and controlling movement.
The nervous system is responsible for coordinating the body's activities and responding to its environment. without neurons, the nervous system would not be able to function properly. Neurons are essential for survival and play a vital role in our health and well-being.
Can a person have DID (Dissociative Identity Disorder) and BPD (Borderline Personality Disorder) at the same time?
Answer:
Yes, it is possible for a person to have both DID and BPD at the same time. According to the Diagnostic and Statistical Manual of Mental Disorders (DSM-5), a person can be diagnosed with both disorders if they meet the criteria for both.
Explanation:
How easy do you think it is to change an area’s climate? Explain your reasoning in at least 3 sentences.
Answer:
I don't think it is easy to change an area's climate because it requires large-scale interventions that can take a long time to implement. Additionally, the climate is influenced by many factors, including the Earth's orbit, ocean currents, and the amount of greenhouse gases in the atmosphere. Finally, the climate is a complex system and it is difficult to predict how changes to one part of the system will affect the rest of it.
Explanation:
period when cell is not engaged in division
Interphase is the period of cell cycle in which the cell is not engaged in any kind of cell division. This phase is marked as the preparatory phase for the actual cell division.
What is Cell cycle?The cell cycle is a series of steps during which the chromosomes and other cellular material double to make two copies of the genetic material. The cell then undergoes division to form two daughter cells, each of the daughter cell receiving one copy of the doubled chromosomal material. The cell cycle is complete when each of the daughter cell is surrounded by its own outer membrane.
The interphase is the period when the cell is in a non-dividing state of the cell and this phase can be in different stages: the first gap (G1) between the last mitosis (M) and the S-phase (phase of DNA synthesis) and the second gap (G2) phase between the completion of the S-phase and the next mitosis (M).
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