[問題] 平衡的多型性
【問題】:
在黃志清精輯中的題目
Which of the following is an example of polymorphism in humans?
A) variation in height
B) variation in intelligence
C) the presence or absence of a widow's peak
D) variation in the number of fingers
E) variation in fingerprints
【問題起因】:
【個人看法】:
答案是C,但是widow不是是寡婦的意思嗎?
另外,我也不太懂polymorphism的意思,書上寫的我看不太懂,
只知道人類的A.B.O血型就是一個很好的例子
希望可以有強者替我解釋一下,謝謝^^
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