《科学》[Science]13年3月1日出版pdf全文

nero1981

3 a5 R' V, E2 c3 x* \COVER The rock pigeon (Columba livia) exhibits spectacular variation among more than 350 different domestic breeds. The adult male Old Dutch capuchine shown here is one of many breeds with a crest of reversed feathers on its head and neck. See page 1063 for a description of the genetic origins of the head crest and the relationships among breeds. For the story behind the cover, go to http://scim.ag/cov6123. Photo: Sydney Stringham- L- p) K; B; E6 U; u; g5 L- m$ U

% [  U( r' x4 [  A: B' n5 a' J: }

懵懂干细胞

感谢楼主分享 辛苦了

舒思

我也来顶一下..  

兔兔

真的有么  

橙味绿茶

不对，就是碗是铁的，里边没饭你吃啥去？  

nauticus

照你这么说真的有道理哦 呵呵 不进沙子馁~~~  

xuguofeng

长时间没来看了 ～～  

命运的宠儿

加油啊！！！！顶哦!!!!!  

兔兔

干细胞行业  

剑啸寒

进行溜达一下