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我是一名从教多年的高中生物学教师,也是《生物学通报》的积极读者,我想请教:《生物学通报》2005年第6期第60页刊登2004年第15届国际生物学奥林匹克竞赛理论试题B(2)中的第106题,为什么人的“Y染色体是独特的,在减数分裂中不会发生交叉”。
I am a high school biology teacher who has been teaching for many years. She is also an active reader of Biology Bulletin. I would like to ask: Biology Bulletin 2005 No. 6 Page 60 The 15th International Olympiad of Biology The 106th question in theoretical question B (2) explains why the human “Y chromosome is unique and does not cross in meiosis.”