i appreciate your help on this please exaplain these to me i really want to unde

Question

i appreciate your help on this please exaplain these to me i really want to understand this. thank you

a. What is the process by which changes in allele frequencies occur in response to natural selection?

b. What is the ultimate source of genetic variation in populations?

c. What type of statistical analysis is used to compare observed and expected results in order to evaluate the validity of an estimate based on the Hardy-Weinberg equilibrium?

d. Which mechanism maintains the biological ability of populations to interbreed and can thus prevent evolutionary divergence of populations?

Explanation / Answer

a. Evolution - The changes in allele frequencies in response to natural selection.

b. Mutation - In populations, the ultimate source of genetic mutation is, random mutation.

c. Chi-square analysis (goodness of fit) is used to compare observed and expected results in order to evaluate the validity of an estimate based on the Hardy-Weinberg equilibrium

d. Gene flow maintains the biological ability of populations to interbreed and can thus prevent evolutionary divergence of populations.

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