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(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.
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統計: A(7), B(15), C(13), D(46), E(0) #370991
統計: A(7), B(15), C(13), D(46), E(0) #370991