Because identical twins come from a single fertilized egg that splits into two, they share virtually the same genetic code.

由于同卵双胞胎来自于一个分裂成两个的受精卵，他们实际上共享相同的遗传密码。

youdao

During diapause, a young kangaroo stays in the female's pouch and growth of a second fertilized egg inside the uterus is delayed.

在滞育期间，小袋鼠呆在雌袋鼠的育儿袋里，因而推迟了子宫内第二个受精卵的发育。

youdao

Biology has a pretty good understanding of how animals develop from a fertilized egg to a fully formed organism.

生物学对动物是怎么从一个受精卵发展一个完全成形的有机体有一个相当好的理解。

youdao

So on the personality theory, I did not exist when that fertilized egg came into being, when the egg and the sperm joined.

所以在人格理论上，卵子受精的时候我还不存在，卵子和精子结合时。

耶鲁公开课 - 死亡课程节选

During development of the embryo it goes from being a single cell, the fertilized egg, to being a multi-cellular organism with billions of cells in it.

胚胎的发育,始于一个单一细胞,即受精卵,直到形成一个以十亿计数量的细胞构成的,多细胞有机体

耶鲁公开课 - 生物医学工程探索课程节选

There's only one source for that, there's only one source of that fertilized egg.

它的来源只有一个,受精卵的来源是唯一的

耶鲁公开课 - 生物医学工程探索课程节选

With the help of chemicals, the egg started to divide just like a normal fertilized egg would.

CNN: Cloning stem cells: What does it mean?

If there has been fertilization, Plan B may prevent a fertilized egg from embedding in the uterus.

CNN: SHARE THIS

Radiation damages DNA, so why would you want to expose a fertilized egg to a high radiation environment?

FORBES: Sex In Space No Panacea For Conception Challenges, Says Former NASA Flight Surgeon