The duplicates are attached to each other at a constricted region called the centromere.

对偶体彼此相连于称为着丝粒的缩小的区域.

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Following the replication of chromosomes, resultant chromatids remain attached at the centromere.

随着染色体的复制, 着丝粒始终连接着形成的两个染色单体.

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Y chromosome has two types of polymorphism : metacentric ( or submetacentric ) and acrocentric chromosomes.

染色体有中部 ( 或亚中部 ) 和近端着丝粒染色体.

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Enzymes play an important part in the process of centric split.

酶在着丝粒分裂过程中起着重要作用.

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Y - chromosome is a middle - sized acrocentric .

Y为 中型 近端着丝粒染色体.

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The centromere is difficult to sequence.

着丝粒的成分顺序难以确定.

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The X chromosomes were all submeta - centric and the Y chromosomes were acrocentric in five breeds.

X染色体均为近中着丝粒染色体,Y染色体为近端着丝粒染色体.

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Among 43 cells with abnormal chromosomes , deletion, translocation , dicentrics , csb and inversion were demonstrated in 19,16,4 , 1 and 1 cells.

43个异常核型细胞中,缺失 、 易位、染色体断裂 、 双着丝粒、倒位各有19、16、4 、 1、1个细胞.

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