親記事
引用 |
|
Just over two years http://www.anspc.it/index.php/theanine-serene-with-gaba.pdf#faults l-theanine 25mg Since the Y chromosome and mitochondrial DNA are inherited separately and have independent evolutionary histories, their trees do not necessarily spread from contemporaneous roots. Still, the apparent lag between the mitochondrial DNA and Y chromosome lineages has been a head-scratcher for researchers who expected the ancestors to be contemporaneous. 但ﾂﾂ弃eople tied themselves in knots to come up with an explanation,但ﾂﾂ� says Rebecca Cann, an evolutionary biologist at the University of Hawaii at Manoa.
|