雌性

这个物种的雄性和雌性几乎无法分辨。

The male of the species is almost indistinguishable from the female .

在繁殖季节，雌性改变身上的颜色。

The female changes colour during the breeding season .

这种鸟雄性比雌性更加色彩艳丽。

The male birds are more colourful than the females .

雄性的精子使雌性的卵子受精。

The male sperm fertilizes the female egg .

雌激素是一种雌性荷尔蒙。

Oestrogen is a female sex hormone .

挪威的捕鲸人说昨天他们用捕鲸叉捕获了一头雌性小须鲸。

Norwegian whalers said yesterday they had harpooned a female minke whale .

雌性动物何时准备交配一目了然。

It is easy to tell when a female is ready to mate .

一只孤独无伴的雌性加拿大黑雁鸣叫了一声，警告别人不要靠近它的巢。

A lone mother Canada goose honked a warning to stay away from her nest .

雌性与雄性配对时，雌性不允许其他雄性与之交配。

During the time she is paired to a male , the female allows no other males to copulate with her

也可用雌性f1与隐性纯合雄性亲本回交。

F1 females could be backcrossed to the male homozygous recessive parent .

兽中的雄性动物保护雌性动物和幼崽。

The males in the herd protect the females and the young .

雄性动物常比雌性动物大。

The males are often larger than the females .

科学家们一直怀疑多氯联苯可能会降低雌性的妊娠率。

Scientists have long suspected PCBs might reduce the pregnancy2 rate of females .

例如藓类颈卵器（雌性器官）分泌蔗糖

For example , the archegonium ( female organ ) of the moss Funaria secretes sucrose .

这只在澳大利亚的小蜘蛛，向附近的雌性炫耀其华丽的色彩。

The tiny arachnid , found in Australia , shows off a rainbow of colours to impress nearby females .

雌性大鼠心内神经节中雌激素受体及其mRNA的表达

Expression of estrogen receptor protein and mRNA in intracardiac ganglia in female rats

壬基酚对雌性SD大鼠早期性发育的影响

Effects of p-Nonylphenol on Early Sexual Development in Femals SD Rat

2,3,7,8-四氯二苯-p-二恶英对雌性小鼠血浆维生素A、E的影响

Effect of TCDD on the levels of Vitamin A and Vitamin E in plasma of the female rats

雌性动物的剂量补偿效应是通过细胞中一条X染色体的转录失活来实现的。

Dosage compensation in female mammals is achieved by inactivating the transcription of one of the X chromosome .

天竺葵质体和线粒体双亲遗传的细胞学机理&雄性和雌性配子超微结构和DNA荧光的研究

The cytological mechanism of biparental cytoplasmic inheritance in Pelargonium hortorum & ultrastructural and DNA fluorescence studies of male and female gametes

另取20只正常雌性8周龄SD大鼠作为空白组（C组）。

In addition , 20 normal eight-week-old SD rats were used as blank group ( group C ) .

日本血吸虫消减雌性成虫cDNA文库的建立及其特异表达基因的筛选

Construction of the Female Subtractive cDNA Library and Screening of the Specific Expressing Genes

动物采用了正常的Wistar雌性大鼠。

The animal used here is a normal female Wistar rat .

方法：将Wistar雌性大鼠分成正常、2月龄、3月龄和8月龄4个组。

Methods : Wistar female rats were divided into normal and operation groups .

复合乌龙茶对雌性SD大鼠高脂血症血脂异常调节作用的实验研究

The Modulatory Role of Multiplex Oolong Tea on Lipid Metabolism in Female SD Rats with Hyperlipidemia

方法：采用大鼠束缚浸水应激法制造胃溃疡模型。SD雌性大鼠30只，体重180g-200g，随机分为4组：分别为Ⅰ胃俞治疗组（穴位贴敷胃俞穴）8只；

Methods the rat gastric ulcer model was made under conditions of water immersion restraint stress .

达那唑诱导的雌性性早熟大鼠GnRH及其受体mRNA的表达

Expressions of GnRH and GnRH receptor mRNA in female rats with danazol-induced precocious puberty

实验动物由中国医科大学实验动物部提供的清洁级健康雌性Wistar大鼠，随机分为生理盐水对照组、石英阳性组、γ-干扰素预防治疗组。

Female Wistar rats all came from animal experimental ministry of China Medical University .

方法将40只性成熟SD雌性大鼠通过手术移植自体子宫内膜片至腹壁的方法制成大鼠子宫内膜异位症模型。

Methods Endometriosis was induced in 40 mature female rats by transplantation of endometrium on the peritoneum .

黄瓜雌性控制基因的SRAP和SCAR分子标记

SRAP and SCAR Molecular Marker Linked to Gynoecious Loci in Cucumber