Humans are very much alike genetically, with most of the variation within — rather than between — ethnic groups.

人类在遗传上太相像了，因为大部分变异是在种族群体之内而不是在种族群体之间。

youdao

Humans are very much alike genetically, with most of the variation within — rather than between — ethnic groups.

人类在遗传上太相像了，因为大部分变异是在种族群体之内而不是在种族群体之间。

youdao