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A population with an effective size of Ne=15 individuals that is evolving purely by genetic drift...

A population with an effective size of Ne=15 individuals that is evolving purely by genetic drift starts with an allele frequency p(A)=0.2.
a) What is the meaning of Ne and how does that differ from N?
b) What is the expected heterozygosity after 10 generations of genetic drift?
c) What will be the eventual heterozygosity after many years of genetic drift?

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Answer #1

a)The Ne is called the effective population size and its differ from N or population size as it only takes that individuals of population which can reproduce and can add to the population whereas N involves all reproducing and non reproducing individuals of the population.

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