所以认为给双胞胎敲掉32对碱基变成ccr5-Δ32,一来对婴儿并不有利,二来坏了中国人基因库.
回答: ccr5-Δ32是ccr5敲掉32对碱基.ccr5对免疫抗癌尤其抗乳腺癌有很正面的作用.ccr5-Δ32的中国人比其它人种少很多
由 soldanella
于 2018-11-27 12:42:24
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