heredity
noun [ U ] uk/hɪˈred.ə.ti/ us/həˈred.ə.ti/
遗传
the process by which characteristics are given from a parent to their child through the genes
Diet and exercise can influence a person's weight, but heredity is also a factor. 节食和运动可以影响一个人的体重，而遗传也是一个因素。