英语释义

1. having or being a chromosome number four times the monoploid number
a tetraploid cell

2. a tetraploid individual

片语

Mutiple tetraploid复合四倍体

tetraploid isatis四倍体菘蓝

tetraploid strain四倍体品系

tetraploid embryon胚胎

tetraploid induction四倍体诱导

digenomous tetraploid二染色体组四倍体

double tetraploid双四部体

tetraploid cells四倍体

tetraploid feature四倍体特征

英汉例句

• nutritional composition in muscle of tetraploid loach, diploid loach and paramisgurnus dabryanus were determined by using conventional method.

  利用常规肌肉营养分析方法测定了四倍体泥鳅、二倍体泥鳅和大鳞副泥鳅的肌肉营养成分。

• the way of breeding of triploid grapes mainly includes crossing between diploid and tetraploid cultivars, endosperm and anther culture .

  葡萄三倍体育种主要途径是二倍体与四倍体之间的有性杂交、胚乳和花药培养等。

• dot plot image of dna fluorescence could form region of diploid and tetraploid in integrated cell.

  结果显示：结构完整的细胞dna的荧光点图形成二倍体、四倍体的区域。

• the author has made a brief comment on all these cytological characteristics of the tetraploid rice and emphasized that it may be of some value in rice breeding.

  作者对这个四倍体水稻的细胞学特点做了简短讨论，并指出它在水稻育种上可能有一定利用价值。

• since the first tetraploid watermelon was obtained in 1939, polyploidy breeding has always been the focus of watermelon breeding.

  从1939年获得第一个四倍体西瓜以来，多倍体育种就一直是西瓜育种的一个热点。

• the oocyte is effectively a tetraploid cell .

  卵母细胞是有效的四倍体细胞。

• homozygous tetraploid is a relatively balanced system, the continued selection is invalid.

  纯合的四倍体是一个相对平衡的系统，继续选择是无效的。

• i'm afraid the details are confidential, but i treated a tetraploid man once.

  恐怕细节是机密的，但是我对待了一个四倍体的男人一次。

• the chromosome behaviour at meiosis in the cells of mixoploid and tetraploid hybrid suggested that there was high affinity existing between the chromosome of h. vulgare and h. bulbosum.

  混倍体和四倍体杂种植株在减数分裂期的染色体行为则表明普通大麦与球茎大麦染色体之间有高度的亲和性。

• it showed that tetraploid cells underwent more apoptosis when they were cultured along with diploid cells for 2 to 7 days than cultured alone.

  结果表明，共培养2-7天内，混合培养的四倍体凋亡率与单独培养时差异显着；

• this article summarized the latest progress in grape tetraploid induced with colchicines.

  综述了秋水仙素诱导葡萄四倍体研究的最新进展。

• thus, it is important that elucidate the genetic control of the crossability of chinese tetraploid wheat with rye.

  因此，研究中国四倍体小麦的亲和性问题具有特殊的意义。

• tetraploid induction from double haploid was also studied, and a desirable result has been obtained.

  双单倍体诱导纯合四倍体的加倍试验获到了较理想的结果。

• conclusion artificially induced tetraploid presents high content of diosgenin and great potential in stress resistance, which would be available in good seed breeding for high yield of diosgenin.

  结论人工四倍体植株薯蓣皂苷元量高，其生理指标也显示较强的抗性基础，可望直接利用或作为进一步培育高产、高薯蓣皂苷元量薯蓣新品种的良好育种材料。

• the banding patterns of b genome of hexaploid wheats are basically same, but n-bands have definite differences among species of b genome of tetraploid wheats.

  六倍体种b染色体组带型基本相同，四倍体小麦b组n—带种间有一定差异。

• dimethyl sulfoxide of 1.5% and 25℃ temperature is helpful to tetraploid induction.

  添加1.5%二甲基亚砜和25℃的温度有利于四倍体大蒜的诱导。

• it is extraordinarily important to select tetraploid lines for breeding sugar beet polyploid varieties.

  四倍体品系选育是甜菜多倍体育种不可缺少的重要环节。

• statistic and comparison research on the sprouted seed obtains crosses between diploid and tetraploid of lilium oriental, and cytology observation research to its hybrid descendant.

  对东方百合二、四倍体杂交获得的种子萌发进行了统计及相关的比较研究，并对其杂交后代进行了细胞学观察研究。

• the oocyte is effectively a tetraploid cell.

  卵母细胞是有效的四信体细胞。

• the stoma characters of both tetraploid and diploid anthuriums were comparatively investigated.

  对红掌四倍体和二倍体材料的气孔特征进行了研究。

• the relative nuclear dna content of nuclei isolated from young leaves including 4 diploid, 2 triploid and 1 tetraploid was measured by flow cytometry in grape cultivars.

  利用流式细胞术对4个葡萄二倍体、2个三倍体、1个四倍体试管苗的细胞核dna的相对含量进行测定。

• thus, we can obtain the es mouse completely from es cells with the method of tetraploid embryo complementation.

  利用四倍体胚胎补偿技术就可以得到完全由es细胞发育而来的小鼠。

• the parents and their hybrid belonged to irregular tetraploid genetic populations.

  双亲及杂交种都是不规则的四倍体遗传群体。

• the mutation effect of tetraploid were increased with the increasing of concentrations and the prolongation of treatment time in dropping seeding.

  滴苗处理中浓度和时间是影响四倍体诱变效果的关键因素，涂抹处理中浓度是诱变率高低的关键。

• tetraploid cells are preferentially allocated to the extraembryonic tissues, such as placenta, rather than the fetus itself.

  而在胎儿本身的组织中，很少能找到四倍体细胞的存在。

• apart from this study, we also researched photosynthesis, stomatal conductance of the tetraploid plants and the control ones.

  除此之外还研究了四倍体植株叶片的光合速率、气孔导度的日变化的情况。

• objective to investigate the effects of developmental stages of tetraploid embryos on mouse chimeras from embryonic stem cells (es).

  目的探讨四倍体胚胎发育阶段对胚胎干细胞（es）嵌合体小鼠制备的影响。

• the food value of leaves of artificially tetraploid mulberry (atm) of 297 varieties was appraised in the silkworm rearing trial.

  对297 份人工四倍体桑种质的叶质进行养蚕鑒定。