50
(A)Then the view switched to genes.
(B)Life spans are nothing like a trait such as height, which is mainly inherited.
(C)That means it is generally impossible to predict how long a person will live based on how long the person’s relatives lived.
(D)Also, they may be simply chance events, like a randomly occurring mutation in a gene of a cell that ultimately leads to cancer.

答案:登入後查看
統計: A(7), B(15), C(13), D(46), E(0) #370991

詳解 (共 1 筆)

#2820176
關於什麼決定了一個人的壽命或一個人的年齡...
(共 509 字,隱藏中)
前往觀看
0
0