s occurring among members of a family usually by heredity
s inherited or inheritable by established rules (usually legal rules) of descent
a. 世袭的, 遗传的
[医] 遗传的
1. Many diseases are hereditary and can run in families.
许多疾病是遗传的，可能会在家庭中传播。
2. He inherited his father's hereditary title when he turned 18.
他在18岁时继承了他父亲的世袭头衔。
3. Some traits, like eye color, are hereditary and can be passed down to children.
一些特征，如眼睛颜色，是遗传的，可以遗传给孩子们。