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原帖由 mugen-purin 於 2009-5-18 01:33 PM 發表 ![查看引用來源](https://www.188channel.com/images/common/back.gif)
its not rite? in your fomula, so cousins hv lesser chance to pass the bad gene(s) to their child if they married with cousins rather than other ppl? coz the rate is 1/64:1/8???
If you compared with other people, we can't compare as we don't know about your another half ( not cousin )'s possibility of having that particular bad gene.
1 bad gene ( if recessive ) is not enough for it to take effect.
Cousin and You have the same chance to pass to your bady and that's why I wrote down 1/8 x 1/8 = 1/64
or you or I misunderstand each other