21. Population Genetics
Allelic Frequency Changes
1:18 minutes
Problem 1d
Textbook Question
Textbook QuestionPopulation geneticists study changes in the nature and amount of genetic variation in populations, the distribution of different genotypes, and how forces such as selection and drift act on genetic variation to bring about evolutionary change in populations and the formation of new species. From the explanation given in the chapter, what answers would you propose to the following fundamental questions?
How do we know the age of the last common ancestor shared by two species?
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