Population Genetics Basic Hardy-Weinberg Dynamics and Migration

A group of 460 individuals (with 0.8 allele frequency (p) for the A1 allele) have migrated into this population

(of 8,000 individuals from the previous pages). Assuming random mating among this group of migrants and

the resident population, what will be the frequency (p) of the A1 allele after a generation of random

mating? What will be the frequency (q) of the A2 allele after a generation of random mating?

Now consider a group of 3,000 migrants with 0.8 as the allele frequency (p) for the A1 allele. Assuming

random mating among this group of migrants and the resident population, what will be the frequency (p) of

the A1 allele? What will be the frequency (q) of the A2 allele?

Now consider a group of 3,000 migrants with 0.1 as the allele frequency (p) for the A1 allele. Assuming

random mating among this group of migrants and the resident population, what will be the frequency (p) of

the A1 allele? What will be the frequency (q) of the A2 allele?

What pattern do you see in the changes in allele and genotype frequencies of the initial population, given

the different migrant groups? Briefly explain the key characteristics of the different migrant groups

leading to these changes.

Sample Solution

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