Evolutionary Mechanisms and Natural Selection (1C)
Bio & Biochem · Flashcards
BIO & BIOCHEM · FLASHCARDS
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QUESTION
What is directional selection?
QUESTION
What is fitness in evolutionary biology (as used in natural selection questions)?
QUESTION
What is gene flow (migration) and its typical effect on population differences?
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ANSWER
Allele movement between populations; reduces population divergence. Gene flow homogenizes allele frequencies across populations by introducing alleles via migration, counteracting differentiation caused by drift or local selection.