A variety of approaches have been used to address this issue, the most common of which is the study of tumors in women, who are heterozygous for X-linked marker enzymes.

一系列的方法已被用来探讨这个问题，其中一个最常用的方法是研究女性肿瘤，她们是X连锁标记酶杂合子。

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A variety of approaches have been used to address this issue, the most common of which is the study of tumors in women, who are heterozygous for X-linked marker enzymes.

一系列的方法已被用来探讨这个问题，其中一个最常用的方法是研究女性肿瘤，她们是X连锁标记酶杂合子。

youdao