alleryStart learning →In population genetics, evolution is defined as a change in:
AAllele frequency in a population
BBody size of individuals
CBehaviour of one individual
DClimate of the habitat
Answer & Solution
Correct answer: A. Allele frequency in a population
1. Behind phenotype change is genetic change.
2. Evolution is a change in allele frequency.
3. Individuals do not evolve; populations do.
_Source: OpenStax Biology 2e, Chapter 19, The Evolution of Populations (CC BY 4.0)._
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