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孙子会不会遗传爷爷的基因
更新时间: 2020-09-18 00:00:00  

会遗传爷爷的基因,有隔代遗传现象。孙子有父母各一半血统,即父母各自50%的基因,孙子有爷爷奶奶及外祖父母各四分之一血统,即有祖父母及外祖父母各25%的基因。孙子,父亲,爷爷的性染色体Y一脉相承,孙子的ⅹ染色体来自母亲,因此没有遗传祖母的x性染色体的可能性。

关键词: 孙子 遗传 爷爷 基因

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