1. If you have populations which are undergoing migration, and the migration coe

Question

1. If you have populations which are undergoing migration, and the migration coefficient increases, will the populations become more similar or different? When the migration coefficient is raised?

2. Populations can become fixed at p=1 or p=0 and then revcover, how does this occur?

I think I have the answer to the first question. However, when it come to the second question, I feel like I am missing a concept. My instinct is to say that the reason populations recover from fixation is because new alleles are being introduced by the immigrants, but I am not sure.

Explanation / Answer

1). The alleles of all genes in a biological population are known as “gene pool.” The term pool represents the collection of gametes (two gametes from one offspring) of all offspring within the population. Alleles move between individuals and populations during the process of mating and migration. This allele movement underlies gene flow in evolution. Gene flow is the movement of genes from one population to another, making them more similar. The prime agent of gene flow is gene migration (means migration of people). So, as the migration coefficient increases, the population's gene become more similar.

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