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Stories about: gene pool

Humans Passed a Genetic Bottleneck 1.2 Million Years Ago The latest research seems to indicate that, for about a million years, our species was more endangered than the gorillas and chimpanzees are today. For all that time, the global human population did not exceed 26,000 individuals, and dropped to as low as 18,500 hominids.This period began some 1.2 million years ago, a... 1 March 2011 05:25 GMT New Genetic Research Path Discovered Scientists discovered that many of the genetic diseases humans have came from early species in the evolutionary chain, approximately 400 million years ago. Bacteria are most responsible for afflictions such as diabetes and Huntington's disease, with more than 97 percent of our current susceptibilities to infecti... 20 October 2008 04:01 GMT