27 julio 2015
For the first time, scientists have reconstructed part of the male chromosome in polar bears. The scientists were able to assign 1.9 million base pairs specifically to the polar bear Y chromosome.They now show that more than 100,000 years ago, the male polar bear lineages split and developed in two separate genetic groups.img src=»http://feeds.feedburner.com/~r/sciencedaily/~4/G_37y_w6GEY» height=»1″ width=»1″ alt=»»/
http://feeds.sciencedaily.com/~r/sciencedaily/~3/G_37y_w6GEY/150727092956.htm
