图1表示某二倍体动物细胞分裂过程中某结构的数量变化曲线，图2表示与该分裂有关的不同分裂时期的图象．下列分析不正确的是

题干

图1表示某二倍体动物细胞分裂过程中某结构的数量变化曲线，图2表示与该分裂有关的不同分裂时期的图象．下列分析不正确的是（）

A：图1曲线可表示减数第一次分裂时同源染色体对数的数量变化

B：由图2可知该二倍体动物应为雄性个体

C：乙细胞中染色体①上的基因可与染色体②或③上的基因发生自由组合

D：图2中的甲、丁细胞分别对应图1中的AB、BC段

上一题下一题 0.0难度选择题更新时间:2014-09-01 08:42:32

D

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Interesting festivals in the world

	Throwing tomatoes﹣Spain（西班牙） Spain takes "tomatoes fights" to a whole new level. But the tomatoes are being thrown, not eaten. The festival takes place during the last Wednesday in August. Trucks（卡车）carry tomatoes into the square. People rush to the tomatoes and throw them into the crowd.
	Rolling cheese﹣England This festival is celebrated on the last Monday in May. It takes place on Cooper's Hill. A large wheel of cheese（奶酪）is rolled down Cooper's Hill. The festival is actually a race where people run down the hill after the rolling cheese. The first person to cross the finish line at the bottom of the hill wins the cheese.
	Burning man﹣The United States The Burning Man Festival lasts a week, it is from the Monday before labor Day to Labor Day（which falls on the first Monday in September in America）. The festival takes place in the Black Rock Desert. The best part of the festival is the burning of a large sculpture of a man.
	Pouring water﹣Thailand The Songkran Festival is the celebration of the New Year in Thailand. Rather than a single day. Thailand celebrates the New Year from April 13th to April 15th. Thai people run after each other pouring water. Songkran is one of the most important reasons why foreigners travel to the beautiful land.