| 词汇 | 近亲繁殖 |
| 释义 | 近亲繁殖 The main drawback is that inbreeding can bring together couples with the same gene defects. Pugs are so inbred that although there are10,000 in Britain, their DNA could come from just 50. But he notes that the mice used in the study were inbred, causing them to suffer from just a handful of diseases that typically kill them. But there is an equally important downside: inbreeding. In order to avoid inbreeding, competitive crossover is used. Like other hotspots, including Sardinia and Iceland, Okinawa is a relatively isolated island community, which leads to higher levels of inbreeding and a clustering of genetic variants. New cubs must be inbred further. The researchers' hypothesis on incest avoidance was that near ovulation, women are motivated to avoid affiliation with male kin fathers but not mothers, to avoid the potential costs of inbreeding. Genetic variation is major study content in conservation genetics. In small population, genetic variation loss because of bottleneck effect, inbreeding, founder effect, and genetic drift. This kind of isolation increases their risk of extinction in the wild, due in part to a higher likelihood of inbreeding. This behavioral control has been inbred for so many thousands of years that its genetic preconditioning argues against the aware discernment of even the most enlightened. As for it being a good thing, the potential for inherited disease in children of related individuals, or people from small communities, tells us that inbreeding is generally not a great idea. White tigers are extremely rare in nature, and many seen in zoos today are produced through controversial inbreeding. Penguins can sniff out the odor of mates and also can identify the scent of close kin to avoid inbreeding, scientists said on Wednesday, Reuters reported. Surprisingly, the panda genome turned up no signs of inbreeding. Am- bred GSDs have been demonstrating to the world how dangerous and unreliable a breed can become after several years of inbreeding has ruined the nervous system. |
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