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 |
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 |
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 |
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 |
population. Population size is directly associated with amount of genetic drift, and is the underlying cause of effects like population bottlenecks and... 11 KB (1,330 words) - 10:45, 3 December 2023 |
simple population models in order to infer historical demographic changes, such as the presence of population bottlenecks, admixture events or population divergence... 29 KB (3,363 words) - 13:08, 18 January 2024 |
History of Eurasia (section Population bottleneck) Maritime Southeast Asia by about 65,000 years ago. The establishment of population centers in Western Asia, the Indian subcontinent and in East Asia is attested... 17 KB (2,209 words) - 21:03, 14 March 2024 |
Small populations can behave differently from larger populations. They are often the result of population bottlenecks from larger populations, leading... 17 KB (2,239 words) - 19:58, 16 March 2024 |
Inbreeding (redirect from Inbreeding population) Thousands of years ago, the cheetah went through a population bottleneck that reduced its population dramatically so the animals that are alive today are... 61 KB (7,118 words) - 20:18, 26 March 2024 |
attributed to a population bottleneck among ancestors of modern Finns, estimated to have occurred about 4000 years ago, presumably when populations practicing... 13 KB (1,459 words) - 07:08, 26 July 2023 |
average in ethnically Jewish populations, particularly Ashkenazi Jews, because of relatively recent population bottlenecks and because of consanguineous... 45 KB (3,827 words) - 07:45, 27 December 2023 |
transition by Warren Thompson (1887–1973) Demography Population Population growth Population bottleneck Population ecology This disambiguation page lists articles... 565 bytes (92 words) - 13:51, 4 June 2020 |
Indigenous people of New Guinea (redirect from Papuan population) clade compared against Lowlanders. The Highlanders underwent a population bottleneck around 10,000 years ago, associated with the adaption of Neolithic... 27 KB (2,191 words) - 01:31, 26 March 2024 |
Genetic viability (section Population conservation) habitat. Eventually, loss of habitat could lead to a population bottleneck. In a small population, the risk of inbreeding will increase drastically which... 13 KB (1,520 words) - 22:03, 2 December 2023 |
species (phylogenetics), as well as the population structure, demographic history (e.g. population bottlenecks, population growth), biological dispersal, source–sink... 61 KB (6,956 words) - 16:10, 11 January 2024 |
Human (redirect from Human habitat and population) other species suggests a population bottleneck during the Late Pleistocene (around 100,000 years ago), in which the human population was reduced to a small... 261 KB (24,888 words) - 06:19, 27 March 2024 |
Inbreeding depression (category Population genetics) often the result of a population bottleneck. In general, the higher the genetic variation or gene pool within a breeding population, the less likely it... 23 KB (2,667 words) - 05:39, 26 March 2024 |