檢視同源的原始碼

[[File:同源.jpg|缩略图|[https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E5%90%8C%E6%BA%90&step_word=&hs=0&pn=1&spn=0&di=183590&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=2&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=-1&cs=14991332%2C3686849419&os=4223674821%2C341624040&simid=4053374353%2C589940735&adpicid=0&lpn=0&ln=1915&fr=&fmq=1623364063500_R&fm=result&ic=&s=undefined&hd=&latest=&copyright=&se=&sme=&tab=0&width=&height=&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=https%3A%2F%2Fgimg2.baidu.com%2Fimage_search%2Fsrc%3Dhttp%3A%2F%2Fimg.mp.itc.cn%2Fupload%2F20160426%2Fe1f5425472e04b1097a36bfd3614760e_th.jpg%26refer%3Dhttp%3A%2F%2Fimg.mp.itc.cn%26app%3D2002%26size%3Df9999%2C10000%26q%3Da80%26n%3D0%26g%3D0n%26fmt%3Djpeg%3Fsec%3D1625956081%26t%3D7383a5322004649890843164944bbb32&fromurl=ippr_z2C%24qAzdH3FAzdH3F4p_z%26e3Bf5i7_z%26e3Bv54AzdH3Fda8ma9dmAzdH3Fg99mda08a0_z%26e3Bfip4s&gsm=2&rpstart=0&rpnum=0&islist=&querylist=&nojc=undefined 原图链接][https://www.sohu.com/a/71648495_181695 来自搜狐]]]
'''同源'''在生物学种系发生理论中，若两个或多个结构具有相同的祖先，则称它们同源（Homology）。