二倍体生物：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。
Diplont a diploid organism that represents the vegetative stage in life cycles in which haploidy is restricted to the gametes.
是一个单倍体或生物体，该生物体体现二倍性仅限于合子的生活史中的营养阶段。
A haploid organism that represents the vegetative stage in life cycles in which diploidy is restricted to the zygote.
单倍性生物：是一个单倍体或生物体，该生物体体现二倍性仅限于合子的生活史中的营养阶段。
Haplont a haploid organism that represents the vegetative stage in life cycles in which diploidy is restricted to the zygote.
通过花药培养获得的水稻植株中，具有丰富的倍性变异，通常需在成熟期基于形态特征识别单倍体、二倍体及多倍体。
Through rice anther culture several kinds of ploidy plants can be obtained, such as haploid, diploid, polyploid and usually based on the morphology to distinguish their ploidy during maturity.
它是单细胞真菌，有单倍体和二倍体两种存在形态。
The fungus is unicellular and exists in both haploid and diploid phases.
从对酸铝敏感的栽培大麦品种“早熟3号”的花药和幼胚培养物中，分别诱导了单倍体和二倍体愈伤组织。
The haploid and diploid calli were induced respectively from anther and immature em- broy cultures in barley cultivar'Zhaoshu No. 3', which is susceptible to acid-aluminum.
利用大麦小孢子加倍单倍体育种技术平台，二年内就可获得种性稳定的株系，四年内即可参加新品种区试。
Stable-lines could be developed through platform of microspore culture derived DH (double haploid) breeding technique within two years and stable variety could be produced within 4 years.
据罗琛研究发现单倍体胚胎发育不正常是因为单倍体不能选择二倍体依赖的调控系统。
Luo et al have proposed that the cause of abnormal development in haploid embryos is that there is a diploid-dependent regulatory apparatus which modulates gene expression.
是一个单倍体或生物体，该生物体体现二倍性仅限于合子的生活史中的营养阶段。
Haplont a haploid organism that represents the vegetative stage in life cycles in which diploidy is restricted to the zygote.
通常指两个位于胚囊中间的单倍体核，他们可能融合形成一个二核的中央细胞。
Polar nuclei The, usually two, haploid nuclei found midway along the EMBRYOSAC, forming a binucleate central cell. They may fuse to form the diploid definitive nucleus.
通过花粉单倍体育种已培育出二个粳稻新品种在生产上繁殖推广。
Two new varieties of keng rice were obtained by means of pollen haploid plant breeding and have been put into-seeds propagation and distribution for practical production.
实验表明，单倍体的上述同工酶区带数和活力与同胚期的二倍体比较，差异甚大。
The results show that there are many differences in activities and bands between their corresponding isozymes.
可以用单倍体数目或二倍体数目来表示。
It may be expressed as either the haploid (n) or diploid (2n) number.
而单倍体植株是胡萝卜遗传研究的最好材料，由单倍体植株染色体加倍而成的纯合二倍体，又是品种选育的最好资 源。
The haploid plant is the best material for genetic research of carrot, and homozygous diploid formed by doubling chromosome of the haploid plant is also the best resource of breed seed selection.
而单倍体植株是胡萝卜遗传研究的最好材料，由单倍体植株染色体加倍而成的纯合二倍体，又是品种选育的最好资 源。
The haploid plant is the best material for genetic research of carrot, and homozygous diploid formed by doubling chromosome of the haploid plant is also the best resource of breed seed selection.
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