“女婿”是家庭成员称谓体系中的一个特定角色,用以区分血缘与婚姻关系。“Son-in-law” is a specific role in the system of family titles, used to distinguish between blood relations and marriage connections.
基因测序显示,女儿从父亲那里继承的X染色体基因表达更活跃。Genetic sequencing shows that genes on the X chromosome inherited from the father are more actively expressed in daughters.