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SSR analysis indicated that triploids were derived from nucellar apomixis; diploids were most probably from sexual crosses of haploid female gametes and alien pollen grains.

SSR分析结果表明三倍体后代来源於柑橘珠心细胞的无融合生殖,而二倍体个体很可能是单倍体的雌配子与外界花粉杂交后代。

Haploid refers to the gametophyte chromosome number an individual has, but does not equate to monoploid.

单倍体是指具有配子染色体数目的个体,但并不等同于一倍体。

In diatoms the vegetative cells are diploid, and are formed directly by the fusion of gametes.

硅藻类的营养细胞是二倍体,它是由配子融合直接产生的。

Methods The concentration of serum sTRAIL was measured in 60 AS patients and 30 healthy controls with ELISA.

目的 探讨肿瘤坏死目子相关的凋亡诱导配体在强直性脊柱炎患者和健康个体血清中的表达及其临床意义。

At fertilization, when the haploid gamete s fuse, the diploid number of chromosomes is restored.

受精过程中,单倍体配子融合,恢复了二倍体的染色体数目。

A gamete containing a diploid number of chromosomes, rather than the usual haploid number.

2一个包含二倍体数目染色体而不是通常单倍体数目染色体的配子。

DNA C-values might be one of important indices in the evaluation of angiospermous invasiveness. To test this viewpoint, we compared DNA 1C-values and basic genome sizes in 3,676 angiosperms. The results suggest that:(1) the two nuclear values vary greatly among different groups, e.g., significantly higher in herbs than in trees, in monocots than in dicots, in perennials than in non-perennials;(2) the two nuclear values both have significant effects on plant invasiveness, especially in herbs, dicots, monocots, perennials, non-perennials, diploids, polyploids, Compositae, and Poaceae, while not significant in trees and Fabaceae.

DNA C值与被子植物入侵性密切相关,为考察应用DNA C值评估被子植物入侵性的可靠性和局限性,我们统计分析了全世界范围内3676种被子植物的DNA 1C值(配子未发生DNA复制时的染色体DNA含量)及基因组大小(单个染色体组的DNA 含量),结果表明:1)DNA 1C值和基因组大小在被子植物不同类群中差异极大,例如在草本植物中显著高于木本植物,单子叶植物显著高于双子叶植物,多年生植物显著高于非多年生植物;2)两项指标都与被子植物入侵性显著负相关,尤其是在草本植物、双子叶植物、单子叶植物、多年生植物、非多年生植物、二倍体、多倍体、菊科和禾本科中,然而在木本植物、豆科植物中其与植物入侵性无显著关系。

The effects of different treatments on electrofusion of pig 2 cell embryos were studied with Hubei white pigs as experimental animals.

哺乳动物配子和早期胚胎细胞融合技术在研究卵子和早期胚胎发育中的细胞质相互作用,制作4倍体胚胎,杂种细胞构建和胚胎细胞核移植等方面有重要意义。

Meanwhile, by either artificial chromosome doubling via colchicine treatment or spontaneous chromosome doubling via a union of unreduced gametes (2n) from T. turgidum-Ae.

同时,通过秋水仙碱对四倍体小麦-节节麦杂种进行染色体人工加倍或利用未减数配子自然加倍,我国科学家创制了一些新的人工合成小麦。

Transmission rate of n+1 gametes is an important parameter for genetic analysis of trisomics.

n+1配子传递率是进行三体遗传分析的重要参数。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力