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9 years ago
can someone help me with this ?

50% brown, 25% white and 25% black; equal proportions of ea tree type, one tree stand, 4000 carrying capacity, random mating, disaster frequency "never".

How do the actual genotype frequencies compare to Hardy-Weinberg predictions? Did the results agree with your predictions (do several experiments to verify)? Use Chi-square analysis with one degree of freedom to test your prediction.

How many generations does it take for a population to reach Hardy-Weinberg equilibrium?
 
Can different initial genotype frequencies lead to the same Hardy-Weinberg equilibrium?
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Valued Member
Educator
9 years ago
Hello, here is a similar question with the answers provided. I hope it helps:





1. In terms of population genetics, what do the beans in this beaker represent?

Beans represent a gene pool

2. What is the value of p (proportion of dominant allele) in the population?

p = 0.5

3. What is the value of q (proportion of recessive allele)?

q = 0.5

4. In generation one, according to the Hardy-Weinberg equation, what will be the proportion of homozygous dominant, heterozygous and homozygous recessive individuals?

According to Hardy-Weinberg : 0.25 homozygous dominant, 0.50 heterozygotes and 0.25 homozygous recessive

5. Are the proportions of these three genotypes the same in generation one as in generation 0?

They will be the same in generation 1 as in 0 if 0 was already in equilibrium

6. Is this always the case (consider a population at generation 0 made up of 30% AA, 67% Aa, 3% aa, or a population made up of 0% AA, 100% Aa, 0% aa).

Examples given are not in equilibrium

7. How many generations does it take for a population to reach a state of Hardy-Weinberg equilibrium if it is not already in equilibrium?

Will come to equilibrium in one generation if 5 assumptions (above) are met

8. What assumptions do you make concerning mating, selection, mutation, emigration and immigration for this equilibrium to hold true?

non-random mating,
no mutation,
no migration,
no selection
9. What is the evolutionary significance of this equilibrium?

Define conditions under which evolution could not occur
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