Examlex
The thoracic (left lymphatic) duct begins as a dilation called the _____.
Allele Frequency
The relative frequency of an allele (variant of a gene) at a particular gene locus in a population, indicating genetic diversity.
Genetic Drift
A mechanism of evolution that involves random changes in the gene frequencies of a population over time.
Population Size
The total number of individuals within a species that occupy a particular geographic area.
Genetic Drift
A mechanism of evolution that causes allele frequencies within a population to change randomly with time due to chance events.
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