Meiosis comprises a pair of specialized nuclear divisions that produce haploid germ cells.

Autotetraploid An autopolyploid that has four times the haploid number of chromosomes.

同源四倍体:具有四倍体的同源多倍体.

Using young panicle of a haploid rice SAR explant, a tissue culture assay was carried out.

将单倍体水稻SAR的幼穗进行愈伤组织的诱导、分化,建立再生体系;并对再生植株进行遗传分析.

INVESTIGATION AND UTILIZATION OF POLLEN DERIVED HAPLOID PLANTS IN RICE AND WHEAT.

植物呼吸及代谢的研究.乙酸在水稻幼苗中的利用.

The males are haploid.

雄的个体都是单倍体.

Potato haploid induction has significant meaning in potato breeding, It includes parthenogenesis and anther culture methods.

马铃薯单倍体诱导在马铃薯育种实践中具有重要意义, 它包括孤雌生殖和花药培养等方法.

Spermatocytes produced by mitosis in spermatogonia divide meiotically to generate haploid spermatids.

精原细胞经有丝分裂再减数分裂产生单倍体精子细胞,即精母细胞.

The chromosome doubling of haploid and double haploid in cucumber was studied.

进行了黄瓜单(双单)倍体染色体加倍试验.

Two cell divisions separate the replicated chromosomes into four haploid gametes or spores.

分离产生的两个细胞平分复制的同源染色体进入4个单倍体的配子或者孢子.

Isolated Microspore culture is one of the Methods : To obtain haploid.

摘要游离小孢子培养技术是获得大白菜单倍体植株的有效途径之一.

Microspore culture is an effcient method to produce haploid plant , which has been vigorously studied.

游离小孢子培养是产生单倍体的较好途径.

Having a chromosome number that is not a multiple of the haploid number for the species.

非职业的;不从事一种职业的或非拿取报偿的专业人员.

Main haplotype pattern is TTT ( 61.9 % ), CTC ( 27.2 % ) and TCC ( 7.9 % ) s.

主要单倍型:TTT ( 61.9% ) 、 CTC ( 27.2% ) 和TCC ( 7.9% ).

And haply I may forget.

或许我会忘记.

Haply I think on thee, and then my state.

忽然想起了你, 于是我的精神.

And haply may forget.

也许,我忘却了一切.

Dont cry berause it over, smile because it happed.

不要因为完结而哭泣, 要为曾经发生面微笑.

The mine flooding happed during construction of the air shaft in Qidong Coal Mine.

祁东煤矿风井在建井过程中,发生钻井井壁突水事故,井筒被淹.

When he comes, the weather becomes warm and sunny, such things usually happen on Orthodox Easter.

当他来的时候, 天气总会变的温暖而明媚, 同样的事情通常都发生在复活节.

The first is that bad things happen, in fact they happen on a regular basis.

首先,坏事的发生, 说实话,这种事会经常地发生.

That will happen on October 29 when Saturn moves into Libra.

那会在10月29号,当土星运行到天秤座时发生.