chromosome
英 ['kr??m?s??m]
美['krom?som]
- n. [遺][細(xì)胞][染料] 染色體（形容詞chromosomal，副詞chromosomally）
考試真題
- 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.
出自-2009年考研閱讀原文
- 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.
2009年考研真題（英語一）閱讀理解 Section Ⅱ