查询词典 parthenogenesis

In nature, clones are derived from a single parental organism or cell by mitotic cell division, asexual reproduction, or parthenogenesis.

在自然条件下来源于有丝分裂所产生的单个亲本细胞或生物体，还可能来源于无性繁殖或单性生殖。

Parthenogenesis occurs naturally in some species, including invertebrates and lower plants. It happens more rarely in some vertebrates.

某些生物天生具有单性生殖的能力，包括无脊椎动物和低等植物，但单性生殖在脊椎动物中较为罕见。

Effect of high temperature and tetracycline treatment on Wolbachia-infected T. pretiosum Completely thelytokous parthenogenesis T.

而其 F4、F5、F6代和未感染Wolbachia的拟澳洲赤眼蜂及短管赤眼蜂在处理区内滞留时间显著或极显著长于对照区（P﹤0.05）。

Virgin birth known scientifically as parthenogenesis also has been documented in Komodo dragons snakes birds bony fish and amphibians.

维珍出生，被称为单性生殖科学，也一直在科莫多龙，蛇，鸟类，硬骨鱼类和两栖动物记录。

In fact, sex is invariably associated with organisms that produce a few large offspring, whereas organisms producing small offspring frequently engage in parthenogenesis .

事实上，性往往与产生少许大个的后代的生物体相关联，而产生小的后代的生物体经常进行孤雌生殖。

The term also describes the development of an unfertilized female gamete into the sporophyte, a phenomenon described as PARTHENOGENESIS.

也用来描述未受精的雌配子发育为孢子的现象。

Among them, the thelytokous parthenogenesis of Trichogramma induced by Wolbachia is expected to be an effective way to improve bio-control efficiency of Trichogramma wasps.

其中，利用Wolbachia诱导赤眼蜂产雌孤雌生殖可能是提高生物防治效能的有效途径。

Female parthenogenesis in which the embryo contains only maternal chromosomes due to the failure of the sperm to fuse with the egg nucleus.

由于在精子与卵子融合过程中发生失败而使胚胎只包含母染色体的一种单性生殖。

The newborn dragons, both males, are believed to be the first in North America to have hatched by parthenogenesis .

这两只刚出生的雄性科莫多巨蜥据信是北美洲透过单性生殖孵出的首例。

More and more studies have been carried out on population genetic structure of rotifer population and gene flow by molecular technologies to assess the effect of cyclic parthenogenesis and resting egg bank on rotifer's genetics and evolution.

由于循环孤雌生殖和休眠卵库的存在，使得轮虫种群内的遗传变异和种群间基因流模式有别于其他动物。目前，国外有关轮虫分子遗传和进化的研究还刚刚起步，国内还没有这方面的报道。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。