To view this page ensure that Adobe Flash Player version 10.2.0 or greater is installed.
Either scripts and active content are not permitted to run or Adobe Flash Player version 10.2.0 or greater is not installed.
姓名: 单位: 联系方式:
象征着和平的白鸽纯白无暇的羽毛是与生俱来的,还是后天形成的?英国皇室贯穿整个家族史的血友病,这种神奇的遗传究竟是好是坏?由传教士格雷格·孟德尔创造的遗传学影响至今。