Chickens that lay unfertilized eggs have been manipulated hormonally, generally, to produce eggs that are unfertilized.

下未受精的蛋的鸡通常被荷尔蒙操纵才产下未受精的蛋。

Most birds don't want to lay unfertilized eggs because unfertilized eggs is a lot of energy and resources.

大部分鸟不想下未受精的鸡蛋，因为未受精的鸡蛋是大量的能量和资源。

Reproduction from an unfertilized egg can happen in other animals such as sharks and bees.

鲨鱼和蜜蜂等其他动物未受精的卵子也可以进行繁殖。

It's a product of parthenogenesis which means it was born from an unfertilized egg.

这种繁殖叫孤雌生殖这就是说它由没有受过精的卵孵化而来。

In parthenogenesis, an embryo develops from an unfertilized egg cell that doubles its own chromosome count.

在孤雌生殖中，胚胎由未受精的卵细胞在染色体数目翻倍后发育而来。

There are birds that lay unfertilized eggs, but as part of a bigger clutch of eggs are fertilized eggs.

确实有下未受精的蛋，但是是作为更多的受精的蛋的一部分。

They must ensure that they are in good health, well-fed, and have plenty of nourishment for their unfertilized eggs.

它们要保证自己身体健康，营养充足，必须要为自己的未受精卵摄取大量的营养。

It starts with an unfertilized egg cell, added to a blob of yolk, and squeezed down a stretchy tube called an oviduct.

它始于将未受精的卵细胞添加到一团卵黄并挤压一个称为输卵管的弹性管。

So, the mother fattens herself up on this extra prey and stores the nutrients in her extra (unfertilized) eggs.

因此，母亲靠这个额外的猎物使自己变胖，并将营养物质储存在她额外的（未受精的）卵中。

This inner machinery includes two ovaries stocked with thousands of tiny sacks called follicles that each contain one oocyte, an unfertilized egg cell.

这套内部机制包含两个卵巢，卵巢内存有成千上万的微小袋子，叫做卵泡，每个卵泡内都含有一个卵母细胞，即未受精卵细胞。