hereditary

/hɪˈrɛdɪtərɪ/
(especially of illnesses 尤指疾病) given to a child by its parents before it is born 遗传的；遗传性的
a hereditary illness/disease/condition/problem
遗传的疾病／问题
Epilepsy is hereditary in her family.
癫痫是她家族的遗传病。