A neighbouring population on Island B, has L M frequency = 0.8 and L N = 0.2. C.

Question

A neighbouring population on Island B, has LM frequency = 0.8 and LN = 0.2.

C. The two populations have never “met” before, but then 200 mice from population B travel to island A by accident on a floating raft of logs and plant material. What will the allele frequencies in this new merged population be?

D. Suppose that positive assortative mating takes place in this new population and mice now only mate with mice of the same MN blood type as themselves. What will the allele frequencies be after one generation of this assortative mating?

Explanation / Answer

C) The allele frequencies in both the populations are the same. So, if 200 mice from population B travel to island A, the allele frequencies of this merged population will also be the same.

D) Positive assortive mating increases the number of homozygous phenotypes and decreases the number of heterozygous phenotypes.

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