世间上,先有鸡还是先有蛋？ - 挑戰ＩＱ 200 - 笑出新天地 - 公仔箱論壇

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發表於 2008-1-8 08:27 PM | 顯示全部帖子

egg first... chicken is evolved from it's ancester. the mutation mostly occurs in germline i.e. the egg

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