EvolutionEasyBloom L1
Question
Variation in gene frequencies within populations can occur by chance rather than by natural selection.This is referred to as :
Options
A.Genetic load
B.Genetic flow
C.Genetic drift
D.Random mating
Solution
(a) [Key Concept: Genetic Drift — Chance Variation in Gene Frequency] Genetic drift is the variation in gene frequencies within populations that occurs by chance rather than by natural selection. Sometimes the change in allele frequency is so different in the new sample of population that they become a different species. The original drifted population becomes founders and the effect is called the founder effect.
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