46. It is believed that, to a pair of identical twins, when then are 3 their difference of gene is about 3%?
While at 60 the difference raised 3 times. why?
refer down?
2006-07-20 10:50 am
回答 (1)
2006-07-20 3:13 pm
✔ 最佳答案
environmental gene mutation. eg: 1 twin is exposed to more harmful radiation than the other so their genes will differ.
收錄日期: 2021-05-01 16:31:59
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