familial

形容词 familial:

1. relating to or having the characteristics of a family
2. tending to occur among members of a family usually by heredity
   同义词：genetic, hereditary, inherited, transmitted, transmissible

fa.mil.ial

adj.（形容词）
Of or relating to a family.
家庭的：家庭的或与家庭有关的
Occurring or tending to occur among members of a family, usuallly by heredity:
家传的，遗传的：发生于或可能发生于家庭成员之间的，尤指因遗传引起：
例句：
familial traits; familial disease.
家族特征；家庭遗传性疾病