sometime in the not-too-distant future, a catastrophic event ends the world as we know it, leaving only one population of 20,000 humans in north america. we sample a neutrally evolving locus with only two alleles, and find that the a1a1 genotype occurs in 7200 people. what is the expected number of people that are heterozygous at this allele, assuming hardy-weinberg equilibrium? group of answer choices 3,200 7,200 9,600 12,000 12,800

Answers

Answer 1

According to hardy-weinberg equilibrium, 12,000 persons should be heterozygous for this gene.

How are the anticipated heterozygotes determined?

In relation to allele frequency, p, expected heterozygosity (Hexp = 2pq) for a 2-allele system is shown. The heterozygosity reaches its apex at a value of 0.5 when the allele frequencies are equal (p=q). At both ends, it is negligible because everyone is a homozygote of one type or the other.

How is heterozygous calculated by Hardy-Weinberg?

The proportion of heterozygous people is equivalent to 2pq. In this instance, 2pq is 0.32, which indicates that 32% of people are heterozygous for this gene (2 (0.8)(0.2) = 0.32).

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Related Questions

where can you get information about endangered species?​

Answers

Answer:

The National Wildlife Federation

Explanation:

I think this is where you can learn about endangered species.

Hope this helps!

during what stage do you have sleepwalking and sleep talking?

Answers

Sleepwalking occurs all through non-REM (NREM) sleep, normally in level 3 of the sleep cycle, which is likewise called deep sleep. Along with other parasomnias like sleep speakme, confusional arousals, and sleep terrors, sleepwalking is assessed as an NREM sickness of arousal.

A land based global community of organisms is called a?

Answers

A terrestrial ecosystem is a land-based community of organisms.

WHAT IS The 2nd phase of mitosis

Answers

Answer:

When prophase is complete, the cell enters prometaphase — the second stage of mitosis. During prometaphase, phosphorylation of nuclear lamins by M-CDK causes the nuclear membrane to break down into numerous small vesicles. As a result, the spindle microtubules now have direct access to the genetic material of the cell.

Explanation:

Why was the evolution of cyanobacteria such a significant event in Earth's history

Answers

Explanation:

oxygen, a byproduct of that photosynthesis, was released into the atmosphere, changing it in such a way that it may have allowed the evolution of more complex forms of life.

Answer:

Cyanobacteria are blue-green algae that produce chlorophyll and undergo photosynthesis. Oxygen, a byproduct of that photosynthesis, was released into the atmosphere, changing it in such a way that it may have allowed the evolution of more complex forms of life.

Explanation:

Right on ED2021 practice, goodluck!

A light detector the pattern shown. What is the most likely location of the light detector..
A.Location A
B.Location B
C.Location C
D.Location D

Answers

Answer:

d

Explanation:

which came first the chicken or the egg (this is for a school asignment i promise)

Answers

Answer:

fs the chicken

Explanation:

Answer:

two birds that weren't really chickens created a chicken egg, and hence, we have an answer: The egg came first, and then it hatched a chicken.

Explanation:

The giant panda has six fingers on its paws instead of five, and its favorite food is
bamboo. How does this adaptation help the panda to survive?
O It allows the panda to digest the bamboo faster.
It allows the panda to reach the taller bamboo stalks.
It helps the panda climb the bamboo stalks more quickly.
It helps the panda hold large bamboo stalks as it feeds.

Answers

Answer:

C:It helps the panda climb the bamboo stalks more quickly.

Explanation:

I got it correct on a quiz

Answer: Option (C) is correct

It helps the panda climb the bamboo stalks more quickly.

Explanation: Hope it helps!

Good luck!

why should we conserve ecosystem?​

Answers

Because it cleans our water ,purify our air and maintain our soil.

Answer:

Healthy ecosystems clean our water, purify our air, maintain our soil, regulate the climate, recycle nutrients and provide us with food.

HELP! This is a fill in the blank I need a quick answer to.

Cells can make new cells. One cell can (a) ____________ into two new cells. This is called (b)__________________. The process of cell division goes through various states. First, the cell nucleus (c)________________ into two. A new cell surface membrane then (d)____________ the cell divides. The two new cells are called (e)_______________ and they are small. They will grow and become larger. They grow by getting (f)______________ from the food that is eaten. Once they grow to full size they can also (g)_____________. If cells divide more quickly than they should, or divide in the wrong way, (h)_____________ can develop.

Answers

Explanation:

A turn

B replicating

C enters

D make

E Big

F fat

if there is 8 g of a substance before a physical change, how much will there be afferwards

Answers

Answer:

The correct answer is 8 g.

Explanation:

During a physical change, the identity of the substance does not change, because no chemical reaction occurs. So, after the change, the amount of substance is still the same. Examples of physical changes are changes in the state of matter (solid-liquid-gas). If 8 grams of ice (water in the solid-state) are melted, after the melting process we will have 8 grams of water in the liquid-state, but still 8 grams of water.

What is the primary cause of groundwater shortage?
A)
pollution
B)
use exceeding the rate of replenishment
C)
lack of precipitation
D)
flooding

Answers

Answer:

Its B

Explanation:

Edge 2021

Answer:

The correct answer is D. All of the above

Explanation:

E2020!

How does energy transfer from the hot water to the cold air

Answers

Answer:

humidity and evaporation

Explanation:

The opening in leaves necessary for photosynthesis is call the

Answers

Answer:

I kinda think it's stomata

Which of the following is an example of microevolution?
A. The formation of four new species of fish in a lake over thousands of years
B. A mass extinction that occurs because of major environmental changes in a habitat
C. A change in the frequency of body color in species of beetle over time
D. The formation of two new species of rodent that have been isolated by a mountain range

Answers

C. The answer is C. If that isn’t enough of an answer then tough

create a mnemonic for the word CIRCULATORY SYSTEM on how we can take good care of our Circulatory system.

Answers

What we should do ?

Make a list of items in a kitchen that come from land resources.

Answers

Answer:

water, Wooden supplies, food from farms, and counters made from minerals.

Explanation:

The list of items in a kitchen that come from land resources include the

following:

CabinetsChairsCutlery etc.

What are Land resources?

These are the resources which are present on land and examples include

wood, minerals etc.

Land resources are usually refined and used in the production of various

types of things as listed above.

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Which statement best explains how respiration and photosynthesis are related to one another?
A Respiration requires water that is given off during photosynthesis.
B. Photosynthesis requires oxygen that is given off during respiration.
C. Photosynthesis gives off carbon dioxide that is required for respiration
D. Respiration gives off carbon dioxide that is required for photosynthesis

Answers

Answer: D

Explanation:

photosynthesis - takes in water, energy from the sun, and carbon dioxide and releases oxygen and glucose (sugar)

respiration - takes in glucose and oxygen, and releases water and carbon dioxide and energy

they are basically the opposite

HAVE A GREAT DAY :)

How is food digested inside me ?

Answers

Answer:

After you swallow, peristalsis pushes the food down your esophagus into your stomach. Stomach. Glands in your stomach lining make stomach acid and enzymes that break down food. Muscles of your stomach mix the food with these digestive juices.

The muscles of the small intestine mix food with digestive juices from the pancreas, liver, and intestine, and push the mixture forward for further digestion. The walls of the small intestine absorb water and the digested nutrients into your bloodstream

12
1 point
Which type of cell must contain a mutation in order for the mutation to be passed on to offspring (select 2)?
sperm cell
egg cell
skin cell
nerve cell
brain cell
blood cell

Answers

sperm and egg cells

*WILL GIVE BRAINLIEST FOR BEST ANSWER DONT ANSWER IF YOU DONT KNOW AND NO VIRUS LINKS OR I WILL REPORT YOU!!!*
What is one result of meiosis?


A. two diploid cells


B. four diploid cells


C. two haploid cells


D. four haploid cells

Answers

Answer:

The final product of Meiosis is haploid daughter cells in which each cell has 23 chromosomes. What happens in meiosis is that, the cell is divided twice and this produces four daughter cells. During this process that our sex cells are produced. So the answer for this would be option D.

Explanation:

Answer:

D

Explanation:

Hope this helps! have a great day.

Also the people who post virus links are bots. They dont understand anything

Which of the following is true about removing vegetation around a body of water?
A)
It creates a channel for pollution to flow into the body of water.
B)
It causes a decrease in bank erosion.
C)
It decreases sedimentation.
D)
It increases a source of shelter and food for some species of wildlife.
E)
It reduces the shoreline.

Answers

Answer:

its a

Explanation:

i took the quiz on it for edge 2020!!!!!!1

At Weeks Bay there was a population of 200 alligators. In May of 2006 a new species of catfish was released into the Mississippi. These catfish reproduce very fast and soon become a rich food source for the alligator population. This provides the alligators with the energy needed for more successful reproduction. The following summer of 2007, 100 babies were born and a total of 40 gators died that year. However, the next year in early 2008 there was a terrible drought, causing 100 alligators to die.

2. What is the growth rate (r) of the alligator population during 2007?

Answers

Answer:

1. 260

2.

3. drought

4. babies born

6. carrying capacity

7. population density

8. logistic growth

9. exponential curve

Explanation:

What organelle regulates cell contents?
A. Ribosome
B. Vacuole
C. Nucleus
D. Cell Membrane


HELP ME PLEASE

Answers

The answer is C hope this helps!

Which of the following describes the function of genomics and marker-assisted selection?
A. help determine the heritability of a trait and eliminate undesirable traits
B. introduce probiotics and the transfer of microorganisms from other species
C. eliminate undesirable traits and improve desirable traits
D. improve desirable traits and help determine the heritability of a trait

Answers

Answer:

D

Explanation:

Improve desirable traits and help determine the heritability of a trait.

Question and Answer options in photo.

Zoom in if needed
Help :(

Answers

Answer:

I belive that the answer is B

Explanation:

I believe that it's B because if the rabit population continued to grow then it will allow the soil to become more fuirtle because of the dropings that the rabbits leave behind. This would cause more plants and growth in the habitat, which would lead to economic growth

I hope this helps!

which of the following organisms has the simplest cellular structure? a. bacterium b. earthworm c. mushroom d. sunflower

Answers

Bacteria will have the simplest cellular structure. So the correct option is A.

What are prokaryotic cells?

A cell type without a genuine nucleus or membrane-bound organelles is referred to as prokaryotic. All the other types of life are eukaryotic, whereas organisms in the categories of Bacteria and Archaea are centered on the prokaryotic cell.

Prokaryotic species, on the other hand, are exceedingly prevalent and account for a large portion of the biomass on Earth.

Unicellular organisms are those that have prokaryotic cells. We refer to them as "prokaryotes." A prokaryotic cell may operate as a live creature thanks to a number of factors. Prokaryotes have a cell membrane covering them at first.

With the help of this membrane, they may engineer a particular environment for metabolic processes within the cytosol. Second, these cells contain both ribosomes and free DNA.

Even though ribosomes are organelles, a plasma membrane does not enclose them.

Therefore the correct option is A.

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I REALLY NEED HELP ASAP!!!!!!!

*I attached a picture but heres the question just in case!"

"The diagram below shows the structures of an animal cell. What is structure 3, and how does it help sustain life?"

Answers

Answer: I think it’s B but I am not sure sorry dude

Explanation:

the answer A i’m pretty sure

Provide an example of how your body could maintain homeostasis in response to detecting that the body temperature was falling below 98.5 degrees.


Answers

Answer:

Our body produces heat energy.

Explanation:

When our body temperature decreases than normal range, our body produces heat to maintain internal heat in the normal range. Our internal body temperature is regulated by hypothalamus which is a part of our brain. The hypothalamus regulate the temperature and take actions to maintain it in the normal range of temperature which is about 37°C. If our body temperature is too low, the hypothalamus order to the body to generates heat energy and maintains heat in the normal range. The sweat glands remain inactive in order to prevent heat losses.

After a month of heavy rain, a formerly clear pond on a golf course is covered with slimy green algae. What do you think happened?

Answers

Pond water most definitely gets cloudy after a good rain, most of this cloudy water caused by dust, pollen, dirt, debris, and other materials getting washed into the pond and as this material floats and circulates in the pond it gives a cloudy look to the pond, and typically it is just a matter of a day or so for the pond water to be filtered clear again. After your pond water has filtered clean, it is a good time to clean your pond filter too, as all those materials need now to be removed from your pond filtration system.

However, sometimes pond green water conditions can occur. The green water condition in the pond occurs because of the sudden introduction of nitrate and nutrient rich water into your pond; the nutrient levels spike, the planktonic algae in your pond has a sudden huge food (nutrient) supply available, so it can now reproduce like mad increasing in numbers exponentially and wah-lah! You’ve got green water, and green water is simply that….large numbers of floating planktonic algae that now are so densely populated that their green coloration from chlorophyll makes your water appear green.
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