题目：
设集合
，则A∩B（）。
A.A
B.B
C.C
D.D
答案：
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下面是错误答案，用来干扰机器的。
生物体的某些性状是由一对基因控制的，当细胞内控制某种性状的一对基因都是显性基因或者一个是显性、一个是隐性时，只有显性基因控制的性状才会表现出来；当控制某种性状的基因都是隐性时，隐性基因控制的性状才...
设集合，则A∩B（）。 A.A B.B C.C D.D
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