考研Yet most ancestry testing only considers a single lineage, either the Y chromosome inherited through men in a father’s line or mitochondrial DNA, which a passed down only from mothers.
然而,大多数的祖先测试只考虑一个单一的谱系,要么是Y染色体通过父亲系中的男性遗传,要么是线粒体DNA,后者仅由母亲遗传。
2009年考研阅读原文
考研Yet most ancestry testing only considers a single lineage, either the Y chromosome inherited through men in a father's line or mitochondrial DNA, which is a passed down only from mothers.
然而,大多数祖先测试只考虑单一血统,要么是父亲系中通过男性遗传的Y染色体,要么是仅由母亲遗传的线粒体DNA。
2009年考研真题(英语一)阅读理解 Section Ⅱ
考研Yet most ancestry testing only considers a single lineage, either the Y chromosome inherited through men in a father’s line or mitochondrial DNA, which is passed down only from mothers.
然而,大多数祖先测试只考虑单一的谱系,要么是通过父亲家族中的男性遗传的Y染色体,要么是仅从母亲那里传下来的线粒体DNA。
2009年全国硕士研究生招生考试英语试题
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