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.

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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.

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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.

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The males are haploid.

雄的个体都是单倍体.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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% ).

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And haply I may forget.

或许我会忘记.

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Haply I think on thee, and then my state.

忽然想起了你, 于是我的精神.

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And haply may forget.

也许,我忘却了一切.

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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.

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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.

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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.

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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.

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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.

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