maternal line

• 母系

maternal line的用法和样例：

例句

1. Everyone has two paternal grandparents and two maternal grandparents.
   每个人都有两个属于父系的祖父母和母系的祖父母。
2. For most genes, both the maternal and paternal alleles turn on or off at the same time.Imprinting disrupts this balance.
   对多数基因来说，来自父系及母系的对偶基因是同时开启或关闭的，铭印则破坏了这种平衡。