Forensic Science: An Illustrated Dictionary
Hardy-Weinberg equilibrium
In a large random intrabreeding population, not subjected to excessive selection or mutation, the gene and genotype frequencies will remain constant over time.
The sum of p2+2pq+q2 applies at equilibrium for a single allele pair where p is the frequency of allele A, q is the frequency of a, p2 is the frequency of genotype AA, q2 is the frequency of aa, and 2pq is the frequency of Aa.
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