Graham Moore of the John Innes Centre in Norwich is targeting part of a chromosome called Ph1 which ensures wheat genes pair up correctly.

坐落于诺里奇的约翰英纳斯中心的摩尔，正针对研究一组名为Ph 1染色体，该染色体的作用是确保小麦基因配对正确。

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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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At this point esch chromosome consist of a pair of chromatids and the two associated chromosomes are termed a tetrad.

此时每条染色体由一对染色单体构成，这两条联合的染色体称为四分体。

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Genes are switched back and forth between each pair, so that each chromosome received by the offspring is a mosaic of the parent's pair.

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If you receive an X chromosome from your father, the XX pair makes you genetically a female.

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If you receive a Y chromosome from your father, then your XY pair means you're genetically a male.

CNN: Triple X syndrome