A. It involves the exchange of sections of chromatid between homologous chromosomes. B. It results in genetic recombination. C. It occurs during prophase I. D. It is visible microscopically as chiasmata. 交叉 E. It results in the F. ormation形成 构成of identical同一的, 同样的sister chromati...
百度试题 结果1 题目At which stage in meiosisⅠoccurs crossing over? A. Leptotene B. Zygotene C. Pachytene D. Diplotene 相关知识点: 试题来源: 解析 C 反馈 收藏
百度试题 结果1 题目During which process does crossing over occur? A. Mitosis B. Meiosis I C. Meiosis II D. Both mitosis and meiosis 相关知识点: 试题来源: 解析 B。原因:交叉互换发生在减数第一次分裂过程中,同源染色体配对时。反馈 收藏 ...
1.Which of the following statements is correct? ?A.Stop signs can be found at every crossroads.B.At crossroads with a “Slow” sign drivers never have to stop.C.At crossroads with a “Slow” sign drivers have to stop and then go slow.D.At some crossroads drivers needn’t stop or go...
声明: 本网站大部分资源来源于用户创建编辑，上传，机构合作，自有兼职答题团队，如有侵犯了你的权益，请发送邮箱到feedback@deepthink.net.cn 本网站将在三个工作日内移除相关内容,刷刷题对内容所造成的任何后果不承担法律上的任何义务或责任
某日甲某到工厂值班室，用刀威逼值班的丙某(男，62岁)交出厂保卫科办公室的钥匙。丙交出钥匙后，甲某威逼丙某带路，并强迫丙某用钥匙打开保卫科的门。之后甲某又威逼丙某找工具撬开保卫科的木柜。甲某从木柜中取出一支冲锋枪，100发子弹。甲某欲离开现场时，丙某怕自己承担罪责，要求甲某将自己捆起来。甲某...
One afternoon, I was crossing the field to go home and saw Miller stuck going over a fence—which wasn't hard to climb if you had both arms. 2016年高考英语全国卷3 完形填空 原文 Participants indicated the degree to which the social role mattered by responding to statements such as "volunte...
I'm an avid user of both Trello and Todoist: I use these two apps to organize my entire life and my work. That means you don't necessarily have to choose between them—you can use both. But if you're looking to pick between them, I can help. In one corner, we have Trello, ...
Canada the world’s second-largest country has a massive Atlantic coastline (海岸线). So the best way to experience it is by car.★ One weekCross over to Wolfville and the Bay of Fundy via HWY 12. Spend a day criss-crossing the country roads and grassy hills of Cape Blomidon to catch...
statement issued by his solicitor to the Telegraph said: "Mr Robinson is very relieved by the outcome - however his sympathies lie with the family of Mr Thompson and all our thoughts are with them at difficult 鈥Coventry Evening Telegraph (England)...