from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Random fluctuations in the frequency of the appearance of a gene in a small isolated population, presumably owing to chance rather than natural selection.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An overall shift of allele distribution in an isolated population, due to random fluctuations in the frequencies of individual alleles of the genes.
Sorry, no etymologies found.