Examlex
Which of the following is associated with the initial external signs of puberty?
Genetic Drift
A mechanism of evolution that involves random changes in the frequency of alleles within a population over time.
Allele
Alternative form of a gene; alleles occur at the same locus on homologous chromosomes.
Bottleneck Effect
A sharp reduction in the size of a population due to environmental events or human activities, leading to a loss of genetic variation.
Gene Flow
The transfer of genetic variation from one population to another, which can occur through various mechanisms such as migration or the movement of pollen and seeds.
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