题目

如图是某个二倍体(AABb)动物的几个细胞分裂示意图.据图判断不正确的是( ) A . 甲细胞表明该动物发生了基因突变 B . 乙细胞表明该动物在减数第一次分裂前的间期发生基因突变 C . 丙细胞表明该动物在减数第一次分裂时发生交叉互换 D . 甲、乙、丙所产生的变异均可遗传给后代 答案:DA: (1)_______________________? B: Go down this street, turn left and walk on until you reach the end. And you will see the hospital.    A: (2)_________________________. B: It’s about thirty minutes’ walk. You can also take a bus. A: Oh, I’d like to go by bus. (3)________________? B: No. 5 bus. A: Where is the bus stop? B: (4)__________, on the other side of the street. A: I see. Thank you very much. B: (5)_________________.  
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