What is the difference between natural selection and genetic drift?

Genetic drift natural selection questions?

  • What would happen the hetrozygosity of alleles after 100 generations compared to 20 generations if directional selection is added to genetic drift and it's not just genetic drift ...show more

  • Answer:

    Once you impose even very slight selection, heterozygosity will decrease, and the selected allele will increase in frequency drastically in 100 generations.

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