Which explanation is most likely for a particular human population with a higher incidence of polydactyly (extra fingers/toes) than the human population as a whole

Answers

Answer 1

Founder effect is most likely for a particular human population with a higher incidence of polydactyly (extra fingers/toes) than the human population as a whole.

In population genetics, the basic effect is the loss of genetic variation that occurs when a new population is founded by a very small number of individuals from a larger population. As a result of the loss of genetic variation, the new population may differ significantly, both genotypically and phenotypically, from the parent population from which it originates. In extreme cases, the founder effect is thought to lead to speciation and the subsequent evolution of new species The founder effect is a form of genetic drift. This is a phenomenon in which a new population is derived from a small isolated group of individuals. The new population is genetically different from the parent populations. The founder effect can arise from cultural isolation. For example, the Amish population in the United States exhibits a founder effect because it grew from very few founders, they do not have any newcomers, and tends to marry within the same community.

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Related Questions

please help me with this!!!

Answers

Answer:

okkkkkkkkkkkkkkkkkkkkkkkkkkk 23.6/0987

Explanation:

This is easy (we just learned about this 1 day ago) it’s Tropo, Strat, Meso, then Thermo

how can we control bacterial disease?​

Answers

Answer:

Bacterial diseases are treated with antibiotics. Antibiotics work by killing the harmful bacteria or by stopping them from reproducing and spreading. Different types of antibiotics are effective for treating specific types of bacteria.

Explanation:

Answer:

by using antibiotics, antibiotics are harvested from fungi because they have a gene that kills the bacteria, i think it only works on bacterial infections, most of the antibiota said are used on animals and live stock.

Explanation:

In a food chain that includes, in order, plants, markhors, and snow leopards, what roles do markhors play? (Select all that apply.)

Answers

Answer:

-They are eaten by snow leopards

-They eat plants

Explanation:

Can someone please help me please

Answers

Answer:

I think so answer is D

Explanation:

I hope it helps you

Pl Mark brainlist answer

Which of the following statements is NOT part of the cell theory? a All cells originate from other cells. b The most basic component of any organism is the cell. c All living things are made up of one or more cells. d All cells have a nucleus and a cell membrane.

Answers

Answer:

d) All cells have a nucleus and a cell membrane.

Explanation:

Prokaryotes do not have a nucleus

All cells have nucleus and cell membrane

In which soil horizon do we find organic material?

Answers

Answer:

We can find organic material in

Top soil

Hope it will help :)

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PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! ASAPPPP

Explain the importance/need for homeostasis.

Answers

Answer:

look

Explanation:

So ur body can work properly and without it you can die (: Hope I helped im not the best at this.

process of gathering information about events or processes in an orderly way

Answers

Answer:

Observation is the process of gathering information about events or processes in an orderly way

Are physical characteristics of an organism not genetically passed down?

Answers

That is false. Physical characteristics of an organism are genetically passed down.

—Evidence—

A characteristic that an organism can pass on to its offspring through its genes.

The set of information that controls a trait; a segment of DNA on a chromosone that codes for a specific trait.

Heredity is the biological process responsible for passing on physical traits from one generation to another.

PLEASE HELP!!!!! I NEED PERSON GOOD WITH AP BIOLOGY!! I WILL GIVE BRAINLIEST PLS!!!

Answers

Answer:

if crossing over does not occur, the products are parental gametes. If crossing over occurs, the products are recombinant gametes. Meaning they are mixed.

Explanation:

If crossing over doesn't occurs then you wouldn't really mix the 2 parental alleles so you couldn't have a genotype without mixing.

Sorry if im wrong!

Which configuration and conditions helped the perfume molecules diffuse better?​

Answers

Answer:

Higher temperatures increase the energy and therefore the movement of the molecules, increasing the rate of diffusion

Explanation:

As the density of a solvent increases, the rate of diffusion decreases. yep i know

PHET skate park . Consider this equation: Kinetic Energy = ½ mv2. Which of those variables is changing as the skater moves up and down the track?

Answers

Velocity is the variable which is changing during motion of skater.

Impact of velocity on energy

Velocity is the variable which is changing when the skater moves up and down the track because moving upward on the slope decrease the speed of the skater while on the other hand, velocity increases when moving downward on the slope.

Mass of the body which is skating remain constant or can't change with height. Mass is the amount of matter present inside the body so we can conclude that velocity is the variable which is changing during motion of skater.

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What is a simple diffusion?

Answers

Answer:

movement of a solute from an area of high concentration to an area of low concentration

Explanation:

I need help on these questions please.

Answers

You need to read the article

Why is it important to know the average mutation rate when using DNA comparisons to determine
how long ago lineages split?

Answers

Answer:

mutation rates can be used to design molecular clocks in order to estimate divergence times among species  

Explanation:

In evolutionary biology, the substitution rates (also known as mutation rates) are used for the development of 'molecular clocks' which allow estimating the divergence times among species or among taxonomic groups. Molecular clocks can be designed by estimating the divergence rate of nucleotide sequences (either DNA or RNA) and amino acid (protein) sequences. These substitution rates can also be used to track how quickly viruses evolve (for example, in a pandemic situation).

PLS HELP ILL MARK BRAILIEST
Spend one minute writing an explanation of
the FUNCTION of enzymes. YOU MUST USE
THE WORDS CATALYST, ACTIVATION
ENERGY, RECYCLABLE

Answers

Like all catalysts, enzymes work by lowering the activation energy of chemical reactions. Activation energy is the energy needed to start a chemical reaction. This is illustrated in Figure below. The biochemical reaction shown in the figure requires about three times as much activation energy without the enzyme as it does with the enzyme.

The reaction represented by this graph is a combustion reaction involving the reactants glucose (C6H12O6) and oxygen (O2). The products of the reaction are carbon dioxide (CO2) and water (H2O). Energy is also released during the reaction. The enzyme speeds up the reaction by lowering the activation energy needed for the reaction to start. Compare the activation energy with and without the enzyme

Answer:

Enzymes help speed up chemical reactions in the human body. They bind to molecules and alter them in specific ways. They are essential for respiration, digesting food, muscle and nerve function, among thousands of other roles.

What is the function of an enzyme? They allow chemical reactions to occur at normal body temperature fast enough to sustain life. They reduce the activation energy needed to start a chemical reaction.

There are four steps in the process of an enzyme working. (1) An enzyme and a SUBSTRATE are in the same area. The substrate is the biological molecule that the enzyme will work on. (2) The enzyme grabs onto the substrate with a special area called the ACTIVE SITE.

There are four steps in the process of an enzyme working. (1) An enzyme and a SUBSTRATE are in the same area. The substrate is the biological molecule that the enzyme will work on. (2) The enzyme grabs onto the substrate with a special area called the ACTIVE SITE.

Enzymes create chemical reactions in the body. They actually speed up the rate of a chemical reaction to help support life. The enzymes in your body help to perform very important tasks. These include building muscle, destroying toxins, and breaking down food particles during digestion.

How would the presence of cilia, flagella, and pseudopods improve the chances of survival of a unicellular protist?

A.
by increasing the likelihood of obtaining nutrients

B.
by increasing the rate of water exchange

C.
by decreasing the rate of cell division

D.
by decreasing the energy needs of the organism

Answers

Answer:

i really dont know but I need the answer too  :(

Explanation:

The presence of cilia, flagella and pseudopods improve the chances of survival of a protist by increasing the likelihood of obtaining nutrients. Thus, the correct option is A.

What is locomotion?

Locomotion is the basic act or ability of something to transport or move itself from one place to another. Many protist species have the presence of some type of locomotory organelles on their body which are easily visible under a light microscope. A protists can move by gliding or floating, and by use of organelles such as flagella or cilia.

Protists use these locomotory organelles to find food, a mate, a suitable habitat or to survive and escape form the predators. Types of Movements involved in locomotion include axial and appendicular.

Therefore, the correct option is A.

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Which gland is located closest to the human brain?
A The thyroid
B The pituitary
C The adrenal
D The ovaries

Answers

Answer:

B. The pituitary gland

Explanation:

Can't be the ovaries, they're down by the hips!

Can't be adrenal glands, they're on top of the kidneys!

Can't be the thyroid, that's low on the front of the neck or something like that!

It's B, the pituitary; it's on the base of the brain.

Have a great day!

Which of the following is a macronutrient?
A) iron B) boron C) Calcium D) Manganese

Answers

C. calcium is your answer

True or False

a. The sinus node generates an electrical impulse.

b. The bundle of His transfers the impulse to the AV node.

c. The fiber group stimulates only the right ventricles.

d. The cardiac cycle represents one complete heartbeat.

e. Relaxation events are referred to as diastole.

Answers

Answer:

Explanation:

A-true

B-false

C-false

D-true

E- true

If one DNA strand reads CCGTAATGCAT, what will be the sequence of the complimentary strand?

Answers

The complimentary strand would be GGCATTACGTA

harles Darwin had a hobby of ______________ domestic pigeons.

Answers

Answer:

breeding

Explanation:

please give brainlest need 2

A mouse are 380 calories worth of cherries. A fox catches it . How many calories does the fox obtain?

Answers

Answer:

The correct answer would be - 38 calories.

Explanation:

7. A man sitting outside a restaurant on a park bench is smoking a cigarette while reading a newspaper. Which answer best describes the mutagen to which the man is exposed?
O The newspaper
The cigarette
The oxygen he is breathing
The park bench​

Answers

the cigarette, tobacco is a mutagen because of the affect

keep it cool ansd answer my question if u can! :))

Answers

Hind legs, D. Hope this helps!

____is a restriction to the flow of electrons

Answers

Answer:

Impedance.

Explanation:

Conductors allows the flow of electrons and Impedance restricts it.

How do our social groups and social interactions impact our behavior?

Answers

Answer:

it makes us addict to fame and people would do anything to be higher up in the social groups

Answer:

When we interact with others, the context in which our actions take place plays a major role in our behavior. This means that our understanding of objects, words, emotions, and social cues may differ depending on where we encounter them

Explanation: Enjoy your day!

Mitosis and budding are similar beu
O
Both processes are components of sexual reproduction
The offspring produced by both are genetically diverse
In both, the genetic material comes from a single parent.
O O
Both processes are more common in animals than in plants.

Answers

Answer:

animals would be your awnser you are welcome  

Explanation:

You do a serial dilution in the same manner as the one in the video. A plate with a sample volume of 10-6 mL produced 43 colonies. What was the original cell density (CFU)?

Answers

Answer: 43 x 10^6  CFU.

Explanation:

Plate count is a method used to determine the number of viable microorganisms in a sample. When the bacterial concentration is high, serial dilutions are carried out in a 1:10 sequence. Then, the dilutions are successive dilutions keeping the dilution factor constant at each step. Small aliquots of these dilutions are seeded in medium contained in a Petri dish where the bacteria grow forming colonies. Then the plates are incubated and colonies develop both within the agar and on the surface.

If the concentration of the seeded aliquot is too high, the bacteria will grow too much and it will not be possible to distinguish the colonies. However, if the concentration is very low, the number of colony forming units (CFU) may be very low and thus can be counted.

Colony forming units are calculated:

CFU = Number of colonies / (volume seeded on the plate * dilution).

The dilution is 10^-6, the number of colonies counted is 43, and usually the volume plated is 0.1 mL, so we replace that in the equation:

CFU= 43 / (0.1 mL * 10^-6)

CFU= 43000000 = 43 x 10^6

design your own, you can use the Browse feature to attach and upload your document. 5. Design your own experiment based on one of your questions from question 1, above. Include the question, hypothesis, independent and dependent variables, and safety precautions. 6. What are three major branches of Earth science?​

Answers

Answer:

three major branches of earth science are Geology, oceanography, meteorology.

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