The percentage of moths in the natural population that was white in 1962 is : 4%
What is Hardy-weinberg equilibrium ?Hardy-weinberg equilibrium states that the sum total of all the genes of an individual in a population is constant when the disturbing factors such as genetic drift does not occur
p² + q² + 2pq = 1
Determine the percentage of moths in 1962Applying the equation below
p² + q² + 2pq = 1
p = frequency of dominant allele
q = frequency of recessive allele
q² = frequency of h0m0zygous recessive genotype
p² = frequency of h0m0zygous dominant genotype
From the graph
Frequency of G allele ( i.e p ) = 0.8
percentage of white moths = q²
Note : p + q = 1 ---- ( 1 )
Insert value into equation ( 1 )
0.8 + q = 1
therefore ; q = 0.2
Hence the percentage of white moths = ( 0.2 )² = 0.04
= 4%
Hence we can conclude that The percentage of moths in the natural population that was white in 1962 is : 4%
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why does the oxygen atom in a water molicule have a negative charge
Answer:
The unequal sharing of electrons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms.
during ____ the nuclear membrane around the nucleus begins to disintegrate
Answer:
during prophase, the nuclear membrane around the nucleus begins to disintegrate.
An individual with the AO genotype and an individual with the BO genotype can produce offspring with which of the following phenotypes?
A, B, or O only
A, B, AB, or O
A or B only
O only
The science of naming, identifying, and classifying organisms is called ________. cladistics phylogeny taxonomy
consequences of recent human migrations on human health
Explanation:
The most frequent health problems of newly arrived refugees and migrants include accidental injuries, hypothermia, burns, gastrointestinal illnesses, cardiovascular events, pregnancy- and delivery-related complications, diabetes and hypertension.
what is variations.
Answer:
1 : a change in form, position, or condition Our routine could use some variation.
2 : amount of change or difference Scientists record the variations in temperature
Explanation:
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What does Konnikova mean by the phrase ""Caveats don’t fit in single columns""?
What are the organelle differences in plant and animal cells
Answer:
Plant cells lack a centrosome and lysosomes, while animal cells do. Animal cells lack a cell wall, chloroplasts, and other specialized plastids, as well as a big central vacuole, but plant cells do.
Explanation:
Help me please!!! Can somebody help me
Answer:
c
Explanation:
A cell has 6 chromosomes during G1. During G2 it has how many chromatids and strands of DNA?
Explanation:
Neuronal cells in G2 phase demonstrate tetraploid (4N) DNA content or, more precisely, possess a nucleus with 46 replicated chromosomes.Neuronal cells in G2 phase demonstrate tetraploid (4N) DNA content or, more precisely, possess a nucleus with 46 replicated chromosomes.
For a cell of 6 chromosomes during G1, its chromatids and strands of DNA are tetraploid (4N) and DNA contents possess a nucleus with 46 replicated chromosomes.
How many chromatids and strands of DNA?A set of chromosomes is simply a one half of a chromosome that has been duplicated.
In conclusion, Chromosomes are replicated prior to cell division, and identical chromosomal copies link together and at their centromeres.
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what is the difference between Genetics and environment?
it's child development class help me please
Genetics: that deals with the heredity and are varnation of organisms.
and
Enviroment: that condition by which one is surrounding.
"I think"
Describe the change that occur in the skin to get rid of excess heat.
Answer:
brainly me
Explanation:
When we get too hot: Sweat glands in the skin release more sweat. The sweat evaporates , removing heat energy from the skin. Blood vessels leading to the skin capillaries become wider - they dilate - allowing more blood to flow through the skin, and more heat to be lost.
When heat activates sweat glands, these glands bring that water, along with the body's salt, to the surface of the skin as sweat. Once on the surface, the water evaporates. Water evaporating from the skin cools the body, keeping its temperature in a healthy range.
What do you mean by sweat glands?" Sweat gland is defined by a simple tubular gland of the skin that excretes perspiration, is widely distributed in nearly all parts of the human skin, and consists typically of an epithelial tube extending spirally from a minute pore on the surface of the skin into the dermis or subcutaneous tissues where it ends in a convoluted tuft."
What are the types of sweat glands?There are two types of sweat glands:
eccrineapocrine.What is the main function of sweat gland?"The primary function of sweat glands is to keep the core body temperature at approximately 37 °C by releasing sweat in a hot environment or during physical activity."
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Hello people ~
The suspended particles released by combustion of coal in air may lead to a health disease. Select the correct option.
A. Goitre
B. Arthritis
C. Asthma
D. Bone cancer
C. Asthma
- Goitre is due to lack of iodine in diet.
- Arthritis due to inflammation of the joints.
- Bone cancer due to radiation.
- Asthma due to intake of harmful gases like CO₂.
Answer:
Asthma
Explanation:
Burning of coal in air causes combustion the reaction is given by
C+O_2-->CO_2Carbon dioxide is a harmful gas for our lungs so it causes Asthma
What part of the cell provides temporary storage of food, enzymes, and waste products
Answer:
The Vacuole is the part of the cell that provides temporary storage to food, enzymes, and waste products.
Explanation:
The cell is the basic or fundamental unit of life. It is composed of a cell membrane, cytoplasm and cell organelles. The organelle that provide temporary storage for food, enzymes and waste products is vacuole.
What is vacuole?Vacuole is a membrane-bound cell organelle that is permanent and large in size in plant cell, but are temporary or nearly absent in animal cell.
It is the compartment that occupies a significant volume in plant cell.It is temporary location for the storage of food, enzymes and other waste products.
Thus, vacuole is the cell that provides temporary storage of food, enzymes, and waste products.
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The freezing point of a 1 m solution of f e c l 3 is expected to be choose. That of a 1 m solution of glucose. This is because f e c l 3 choose. And choose. Compared with glucose
1m solution of f e c l 3 has a lower freezing point compared to 1 m solution of glucose.
What is freezing point?The term freezing point refers to the point at which liquid converts to solid. We must note that the freezing point iof a substance is a colligative property hence it depends on the amount of substnace present.
Having said this, we know that 1m solution of f e c l 3 contains more particles than 1 m solution of glucose hence 1m solution of f e c l 3 has a lower freezing point compared to 1 m solution of glucose.
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The freezing point of 1M FeCl3 is found to be lower compared to the freezing point of 1M Glucose.
What do you mean by Freezing point?A Freezing point may be defined as the temperature at which a liquid turns into a solid when cooled.
1M FeCl3 solution is able to dissociate into cations and anions in an aqueous solution and thus will have more solute particles as compared to 1M Glucose.
Therefore, the freezing point of 1M FeCl3 is found to be lower compared to the freezing point of 1M Glucose.
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Occluded front with points labeled A through D. A: an area of very cold air. B: cold air. C: warm air. D: the ground. The diagram shows an occluded front. Which point identifies the warm air mass in this front? A B C D.
The point that identifies the warm air mass in this front is warm air. So, the correct option is C.
What do you mean by Occluded front?An occluded front may be defined as a composite front formed when a cold front overtakes a warm front and forces it aloft.
The occluded front consists of various points. Each point has a specific property and identity. The temperature of the air is also specific to each point of the occluded front.
Therefore, the point that identifies the warm air mass in this front is warm air.
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Answer: The right answer is c.
Explanation: I took the assignment on edge 2022.
Plants contain meristems whose major function is to:.
Answer:
Growth in length
Explanation:
Meristems are regions of active cell division within a plant. In general there are two types of meristems: apical meristems and lateral meristems. Apical meristems are located at the tip of the shoot and the root, as well as at the tips of their branches. These meristems occur in all plants and are responsible for growth in length.
In photosynthesis what is the end product of carbon dioxide?
Answer:
Carbohydrates(glucose) and Oxygen.
Explanation:
During the process of photosynthesis, Carbon dioxide and Water combine in the presence of Sunlight and Chlorophyll to produce Carbohydrates (glucose) and Oxygen. Thus, the end products of photosynthesis are Carbohydrates(glucose) and Oxygen.
What feature of the genetic code makes it possible for a single protein to be encoded by more than one mrna sequence?.
Answer:
What feature of the genetic code makes it possible for a single protein to be encoded by more than one mRNA sequence? More than one codon can specify the same amino acid. How were researchers able to "crack the genetic code"?
How many sides are on a regular die? (Die is singular; dice is plural)
Answer:
6Explanation:
Thats all... lol
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C:
Explain the general process of nuclear fission. what is created from fission? (site 1)
Answer:
During nuclear fission, a neutron collides with a uranium atom and splits it, releasing a large amount of energy in the form of heat and radiation. More neutrons are also released when a uranium atom splits. These neutrons continue to collide with other uranium atoms, and the process repeats itself over and over again.
Explanation:
:)
100 POINTS
Complete the sentence: Combustion heating and cooling appliances are sources of
and often found in basements.
O asbestos
O radon gas
O tobacco smoke
O carbon monoxide
Answer:
Carbon monixide
Explanation:
Right answer
Answer:
carbon monoxide is the awnser
Explanation:
When I took this quiz that was the right awnser.
A mom with blood type A has babies with a man with blood type B. They have a child with blood type O?!
Answer:
Yes, the child's blood type would be O.
Explanation:
Two parents with an A blood type can produce a child with either A or O blood types. Two parents with B blood type can produce a child with either B or O blood type. One parent with A and another with B can produce a child with A, B, AB, or O blood types.
An earthquake causes a new canyon to form. The canyon separates two populations of snakes. After many years, the canyon fills in, and the two populations come back together. If they can still interbreed, then __________.
Select one:
a.
evolution has occurred
b.
evolution has not occurred
c.
evolution will occur when the offspring are born
d.
evolution will never occur
Answer:
B. Evolution has no occurred
Explanation:
The change in genetics would prohibit the two populations from interbreeding.
EX. Take humans and apes, we are generally the same species however we cannot successfully interbreed.
If am elephant were chasing you, it's enormous mass would be very scary .but if you zigalzagged ,the elephant's mass would be to your advantage. why?
If you zigalzagged ,the elephant's mass would be to your advantage due to inertia.
How zigalzagged would be to your advantage?If you move zigalzagged ,the elephant's mass would be to your advantage because the elephant's mass is greater than yours so due to inertia, the elephant would have more difficulty switching directions than you.
So we can conclude that if you zigalzagged ,the elephant's mass would be to your advantage due to inertia.
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What is the role of worms bacteria and fungi in a food web.
Answer:
Decomposers are organisms (mostly bacteria and fungi) that break down dead plants and animals, eventually turning them into nutrients that will be added to soil. These nutrients are very important to continue the cycle in the ecosystem. Slugs, earthworms, millipedes, and centipedes also help break down dead things.
Explanation:
Which change in surface water will cause a decrease in groundwater?
a.rising temperature melt glaciers
b.drought decreases the flow of streams
c.treated wastewater is released over a field
d. water conservation methods are adopted by a town
Answer: D
Explanation:
SC.5.E.7.6
Which of the following would be different for the two liquids?
F color
state
volume
temperature
SC.5.P.8.1
force to the
Patrick pours 1 cup of lemon juice in a glass. He pours 1 cup of milk in a second glass. The two quids are both left on the same bench for an hour. Patrick then compares the two liquids.which of the following would be different for both liquids ?
The state or phase of the two liquids could be different. Color, volume, and temperature are not necessarily different for both liquids. So, the correct option is B.
What is Liquid?A liquid is one of the three classical states of matter in physics and chemistry – the others being solid and gas. A liquid has a specific volume that never changes yet flows freely and conforms to the shape of its container.
Although the particles in a liquid are relatively close to each other and able to pass each other, intermolecular forces maintain their cohesion. Juice, water, milk and other common liquids contain oils and fats. Although they differ from solids in that they do not have a definite shape, liquids differ from gases in that they have a definite volume.
So, the correct option is B.
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Which of the following is a concern in using genetic engineering in agriculture?
Group of answer choices
A. Pests are more likely to destroy genetically modified crops
B. The gene added to the crop may trigger allergies or other health concerns.
C. Genetically engineering crops is inexpensive, which harms small farmers.
D. All genetically engineered crops must be grown in a certain type of soil.
Answer:
B
Explanation:
Genetic engineering can affect health and the environment. Plus, it can trigger allergies.
What abiotic factors affect the rate of photosynthesis.
Answer:
The rate of photosynthesis in a plant can be determined by three external factors: temperature, light intensity, and available carbon dioxide concentration. In any given situation any one of these may become a limiting factor if they are below the optimal level (Alcott and Mindorff).