A population bottleneck or genetic bottleneck is a sharp reduction in the size of a population due to environmental events such as famines, earthquakes... 25 KB (2,891 words) - 13:14, 25 March 2024 |
Look up bottleneck in Wiktionary, the free dictionary. Bottleneck literally refers to the narrowed portion (neck) of a bottle near its opening, which... 2 KB (266 words) - 11:13, 29 March 2023 |
earlier, genetic evidence suggests humans may have gone through a population bottleneck of between 1,000 and 10,000 people about 70,000 BC, according to... 133 KB (9,685 words) - 00:29, 21 March 2024 |
Founder effect (redirect from Founder population) sampling of the original population. A population bottleneck may also cause a founder effect, though it is not strictly a new population. The founder effect... 36 KB (4,215 words) - 14:17, 6 March 2024 |
Genetic drift (category Population genetics) contracted to just four random survivors, a phenomenon known as a population bottleneck. The probabilities for the number of copies of allele A (or B) that... 52 KB (6,266 words) - 20:17, 16 March 2024 |
population bottleneck, the reduction does not favour any combination of alleles; it is totally random chance which individuals survive. A bottleneck can... 80 KB (9,137 words) - 00:59, 21 March 2024 |