lineage
- n. 血统；家系，[遗] 世系
考试真题
- 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年考研阅读原文
- 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年考研真题（英语一）阅读理解 Section Ⅱ