多倍体育种只能多倍体之前加倍吗?


从理论上分析下列各项,其中错误的是A、二倍体×四倍体→三倍体B、二倍体×二倍体→二倍体C、三倍体×三倍体→三倍体D、二倍体×六倍体→四倍体答案为D.请问为什麼?可正确答案...
从理论上分析下列各项,其中错误的是
A、二倍体×四倍体→三倍体
B、二倍体×二倍体→二倍体C、三倍体×三倍体→三倍体
D、二倍体×六倍体→四倍体答案为D.请问为什麼?可正确答案是D?
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c三倍体是不能产生生殖细胞的
本回答由提问者推荐已赞过已踩过你对这个回答的评价是?评论
收起生物学评价可以咨询威科检测(苏州)有限公司,拥有CNAS实验室认可资质,国家CMA资质,广东省CMA资质和动物使用许可证资质,具有专业的检验技术团队和业务运营团队,配置了先进精准的检测设备,实验室面积约 6051平方米,环境设施包括大动物实...
点击进入详情页本回答由威科检测提供C三倍体含有三个染色体组,不能正常减数分裂产生生殖细胞所以不能通过杂交产生后代

多倍体育种为什么只适用于植物中呢?1...
多倍体育种为什么只适用于植物中呢?1
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展开全部多倍体在植物中比较普遍,在动物中则比较少见,这可能与动物的性染色体决定性别有关,使得任何多余2倍体的染色体数都易造成动物高度不育。如XY型性别决定,四倍体雄性的性染色体组成为XXYY,产生的配子为XY;四倍体雌性的性染色体组成为XXXX,产生的配子为XX,雌雄配子结合产生XXXY合子,这种性染色体组成对于大多数动物来说都是不育的。已赞过已踩过你对这个回答的评价是?评论
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0:-1;if(n!==r)for(var i=0;i0&&function(t,e,n,r){var i=document.getElementsByClassName(t);if(i.length>0)for(var o=0;o展开全部多倍体育种:通过细胞染色体组加倍获得多倍体育种材料
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