家族宗系的研究显示，你是生男还是生女是由遗传决定的。

The family tree study showed that whether you're likely to have a boy or a girl is inherited.

youdao

家族宗系的研究显示，你是生男还是生女是由遗传决定的。

The family tree study showed that whether you're likely to have a boy or a girl is inherited.

youdao