在这些物种中，受精卵发育为雌性，未受精卵发育为雄性。
In these species, fertilized eggs develop into females and unfertilized eggs into males.
雄性站在那里保护这个卵，用双脚保持它的平衡，并用被称为育儿袋的有羽毛的皮肤覆盖着它。
Males stand and protect the egg by balancing them on their feet and covering them with feathered skin known as a brood pouch.
若它们都是雄性，就要一只单个的雌性来和他们配对，并要雌性将卵存放在它们的巢穴中。
If they are males, a solitary female may mate with them and deposit her eggs in their nest.
疟疾不是由雄性蚊子传播的，只有怀卵的雌性蚊子才会吸食人的血液。
Malaria isn't transmitted by male mosquitoes; only pregnant females bite people for their blood.
变得争强好胜。 仅仅是对雌性卵囊接触也会使得他们反应过度，和范围内潜在的雄性扭打一团。
One touch of a female's egg sac and they go ballistic, grappling any other male within reach.
若它们都是雌性，就要一只雄性来孵化她们的卵。
巴布亚新几内亚，一只雄性岳蛙在履行自己的父亲职责，拥抱着他的一窝卵和两只刚孵化的幼蛙。
Doing his fatherly duty, a male Oreophryne frog in Papua, new Guinea, cradles his clutch and two newly hatched froglets.
雌性草海龙一次大约能产卵250枚，而照看这些卵的任务却由雄性承担。
The female produce 250 eggs at a time and the male looks after them.
发生此类现象是因为一个嵌合双胞胎会产生于没有得到雄性动物施精的卵, 但它会在某些皮肤细胞中含有该雄性动物的遗传基因.
This couldhappen because a chimeric twin that grew from an egg which his sperm did notfertilise would nonetheless have some skin cells containing his genes.
仅仅是对雌性卵囊接触也会使得他们反应过度，和范围内潜在的雄性扭打一团。
One touch of a female's egg sac and they go ballistic, grappling any other male within reach.
奚说研究员只是放了不咬人的雄性蚊子，而雌性蚊子产的卵与感染了沃尔·巴克氏细菌的雄性蚊子配对后会造成不育，造成蚊子数量大幅减少。
Xi said the researchers only release male mosquitoes, which don't bite. The eggs produced by females mating with Wolbachia-infected males are infertile, which leads to reduced mosquito populations.
番茄小丑鱼，一条雄性番茄小丑鱼（学名白条海葵鱼）像园丁一样照料一片发育中的受精卵，同时铲掉已死的胚体。
Tomato Clownfish : A male tomato clownfish (Amphiprion frenatus) tends his field of developing eggs like a gardener, scooping away ones with dead embryos.
番茄小丑鱼，一条雄性番茄小丑鱼（学名白条海葵鱼）像园丁一样照料一片发育中的受精卵，同时铲掉已死的胚体。
Tomato Clownfish : A male tomato clownfish (Amphiprion frenatus) tends his field of developing eggs like a gardener, scooping away ones with dead embryos.
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