[46515] in linux-announce channel archive
His knee surgery was canceled over this
daemon@ATHENA.MIT.EDU (Knee surgery)
Sun Jul 21 05:36:47 2024
Date: Sun, 21 Jul 2024 11:36:45 +0200
From: "Knee surgery" <Kneesurgery@osteoporosisbonedensity.ru.com>
Reply-To: "Knee surgery" <Kneesurgery@osteoporosisbonedensity.ru.com>
To: <linuxch-announce.discuss@charon.mit.edu>
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His knee surgery was canceled over this
http://osteoporosisbonedensity.ru.com/BW1AswvDYwLLsaId8ckE20de9_HAdApm4vQOAmT6Axsawx_Oog
http://osteoporosisbonedensity.ru.com/cNEgSze6sZ2UNL8PVZyHKbNGd5zTUYOVkOC5UYsfXm0T1lDQjg
htly different form of bottleneck can occur if a small group becomes reproductively (e.g., geographically) separated from the main population, such as through a founder event, e.g., if a few members of a species successfully colonize a new isolated island, or from small captive breeding programs such as animals at a zoo. Alternatively, invasive species can undergo population bottlenecks through founder events when introduced into their invaded range.
Examples
Humans
See also: Founder effect ยง Among human populations
According to a 1999 model, a severe population bottleneck, or more specifically a full-fledged speciation, occurred among a group of Australopithecina as they transitioned into the species known as Homo erectus two million years ago. It is believed that additional bottlenecks must have occurred since Homo erectus started walking the Earth, but current archaeological, paleontological, and genetic data are inadequate to give much reliable information about such conjectured bottlenecks. Nonetheless, a 2023 genetic analysis discerned such a human ancestor population bottleneck of a possible 100,000 to 1000 individuals "around 930,000 and 813,000 years ago lasted for about 117,000 years and brought human ancestors close to extinction."
A 2005 study from Rutgers University theorized that the pre-1492 native populations of the Americas are the descendants of only 70 individuals who crossed the land bridge between Asia and North America.
The Neolithic Y-chromosome bottleneck refers to a period around 5000 BC where the diversity in the male y-chromosome dropped precipitously, to a level equivalent to reproduction occurring with a ratio between men and women of 1:17. Discovered in 2015 the research suggests that the reason for the bottlene
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<td style="color:#FFFFFF;font-size:10px;">htly different form of bottleneck can occur if a small group becomes reproductively (e.g., geographically) separated from the main population, such as through a founder event, e.g., if a few members of a species successfully colonize a new isolated island, or from small captive breeding programs such as animals at a zoo. Alternatively, invasive species can undergo population bottlenecks through founder events when introduced into their invaded range. Examples Humans See also: Founder effect § Among human populations According to a 1999 model, a severe population bottleneck, or more specifically a full-fledged speciation, occurred among a group of Australopithecina as they transitioned into the species known as Homo erectus two million years ago. It is believed that additional bottlenecks must have occurred since Homo erectus started walking the Earth, but current archaeological, paleontological, and genetic data are inadequate to give much reliable information about such conjectured bottlenecks. Nonetheless, a 2023 genetic analysis discerned such a human ancestor population bottleneck of a possible 100,000 to 1000 individuals "around 930,000 and 813,000 years ago lasted for about 117,000 years and brought human ancestors close to extinction." A 2005 study from Rutgers University theorized that the pre-1492 native populations of the Americas are the descendants of only 70 individuals who crossed the land bridge between Asia and North America. The Neolithic Y-chromosome bottleneck refers to a period around 5000 BC where the diversity in the male y-chromosome dropped precipitously, to a level equivalent to reproduction occurring with a ratio between men and women of 1:17. Discovered in 2015 the research suggests that the reason for the bottlene<br />
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