heredity
/hɪˈredətɪ; hə`rɛdətɪ/ n[U]
(a) passing on of physical or mental characteristics from parents to children 遗传
[attrib 作定语]
heredity factors 遗传因素.
(b) such characteristics in a particular person 某人来自遗传的特徵
part of one's heredity 来自遗传的部分特徵.