题目

阅读理解     People in different countries have different hobbies around the world.For example,in America people’s favorite hobby is watching TV in their spare time.It is the main entertainment for Americans to watch TV at least one hour in a day.96% of the Americans see watching TV as their first hobby.The second one is going to the cinema or doing some sports.Next is reading or gardening.Except these,fishing is also a very popular hobby.     In England,it’s quite different.People there like to go to the flea market(跳蚤市场).They like to go there to see i一个初级精母细胞在减数分裂的第一次分裂时,有一对同源染色体不发生分离,所形成的次级精母细胞减数分裂的第二次分裂正常;另一个初级精母细胞减数分裂的第一次分裂正常,减数第二次分裂时,在一个次级精母细胞中有1条染色体的姐妹染色单体没有分开。两个初级精母细胞减数分裂的最终结果应当是A.两者产生的配子全部都不正常B.前者产生一半不正常的配子,后者产生的配子都不正常C.两者都产生一半不正常的配子D.前者产生全部不正常的配子,后者产生一半不正常的配子
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