haploidy

By analyzing chromosomes of embryogenic callus tissue cells with eight months continuous subculture demonstrated that the mumber and structure of chromosome were relatively steady, in which diploid cell occupied ( 97.2%), tetraploidy cell ( 1.87%), haploidy cell ( 0.93%).

继代8个月的胚性愈伤组织细胞的染色体数目和结构相对稳定，其中二倍体细胞占97.20%，四倍体细胞占1.87%，单倍体细胞占0.93%。

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as an efficient breeding method, haploidy breeding in potato has been attended increasingly.

单倍体育种作为一种高效的育种方法，在马铃薯育种中已越来越受到关注。

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to overcome this problem, experimental induction of haploidy has been used in fish.

为了解决这个问题，在鱼类中用实验手段诱导了单倍体。

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diplont a diploid organism that represents the vegetative stage in life cycles in which haploidy is restricted to the gametes.

代表生活史中植物体阶段的二倍体生物，其单倍体仅局限于配子体。

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progress and utilization of haploidy methods in maize breeding

单倍体技术在玉米育种中的应用和新进展

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so, the technical system of anther culture in potato remains the major factor restraining haploidy breeding.

因此马铃薯花药培养技术体系仍是制约马铃薯单倍体育种的主要因素。

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It facilitates the understanding of gene function for its long haploidy generation. as its morphological, chemical and physiological changes resulted from gene mutation or knock out are easy to be identified.

小立碗藓长期处于单倍体世代，对于遗传学研究来讲，单倍体植物基因突变或敲除所产生的形态或生理生化变化容易被监测到，这些使研究植物抗逆基因的功能极为方便。

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in contrast, haploidy seems less compatible with development in mammals.

相反的，哺乳动物的单倍体似乎与发育的兼容性较差。

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to overcome this problem, experimental induction of haploidy has been used in fish 2, 3.

为了克服这样的困难，单倍体诱导已经在鱼类中运用[2,3]。

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