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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The haploid complement consisted of 11 metacentrie chromosomes and 1 submetacentric chromosome.
每一组由11个中部着丝点染色体和1个亚中部着丝点染色体组成.
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Haploid variety breeding and application in anther culture breeding.
单倍体品系(种)的选育及花药培养在育种中的应用.
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Such a dikaryon cannot apparently exist independently of the haploid phase.
这样的双核体显然不能独立于单倍体阶段而存在.
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Meiosis comprises a pair of specialized nuclear divisions that produce haploid germ cells.
减数分裂由两次产生单倍体生殖细胞的核分裂组成.
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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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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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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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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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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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单倍体生物体的生殖细胞然后与另一个单倍体生物体的细胞融合, 形成合子.
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Anther culture has enhanced the capacity to generate large numbers of haploid plants.
花药培养增强了产生大量单倍体植株的能力.
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Aneuploid describes chromosome numbers which are not multiples of the haploid number ( n ).
非整倍体所描述是单倍体数目 ( n ) 并非成倍增加.
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异型世代:具有典型的单倍体和二倍体世代交替的生活史的现象.
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