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230问答网 > 人类表现出伴性遗传的根本原因在于（）答案是A，请解释一下A对和B错的原因。

人类表现出伴性遗传的根本原因在于（）答案是A，请解释一下A对和B错的原因。

2025-03-31 10:58:10

推荐回答（1个）

回答1：

伴性遗传（sex－linked inheritance）是指在遗传过程中子代的部分性状由性染色体上的基因控制，这种由性染色体上的基因所控制性状的遗传方式就称为伴性遗传，又称性连锁（遗传）或性环连。B错在基因通常只存在于一种性染色体上，而伴性遗传概念阐明了它是由性染色体决定，而不局限于一种性染色体。

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