Aneuploid describes chromosome numbers which are not multiples of the haploid number (n) . 非整倍体所描述是单倍体数目（n）并非成倍增加。
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An aneuploid state in which a third homologous chromosome is present in addition to the normal autosomal pair is called trisomy . 除了正常染色体对以外，还存在有第二种同源染色体的非整倍体状态，被称为三体性。
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These cells often have a variable chromosome number ( aneuploid ) 这些细胞的染色体数目不等（称为“非倍数染色体” 。 ）
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Aneuploid describes chromosome numbers which are not multiples of the haploid number ( n ) 非整倍体所描述是单倍体数目（ n ）并非成倍增加。
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Examination of chromsome number of the hybrids ri showed the sum of both parent chromsome besides aneuploid . the hydrid cell line ri was characterized by isoenzyme analyses , sds - page , rapd and opine synthetase assay 杂种r _ 1细胞的染色体数检查、冠瘿碱检测、同工酶分析，可溶性蛋白sds - page电泳和rapd分析结果，都证明了其杂种特性。
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Abstract : some problems related to “ variation of chromosome number ” in some teaching materials of genetics are presented in this article . these problems are involved in some conceptions such as haploid , chromosome set and aneuploid that are defined unclearly and confusedly in these books 摘要指出了高校有关遗传学教材“染色体数目变异”一节中，部分概念如单倍体、染色体组、非整倍体等存在的概念表述不清、前后矛盾等问题，并提出了相应的修改意见。
