In human reproduction,one female egg is usually fertilized by one sperm.
人体生殖过程中,一个精一个受精。
Only one sperm fertilises an egg.
只有一个精受精。
The fish, smallmouth and largemouth bass, were male but neertheless carried immature eggs.
这种小口黑和黑为雄性,却带有未成熟的。
To a certain degree, sperm head membrane maybe is the key factor to the androgenesis of the gynogenetic silver crucian carp eggs.
某种程度上表明:精膜蛋白可能是雌核发育银鲫进行雄核发育的关键因素。
The secondary oocyte now divides again into two new cells of unequal size: a relatively large ootid (mature egg cell) and a minute second polar body.
此时,次级母细胞又分裂成两个大小不对等的新细胞:一个相对很大的(成熟细胞)和一个微小的次级极体。
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How many eggs can a woman have?
一个女人能排出多少子?
So that's a much, much larger number of potential eggs.
所以潜在的子数量要大得多。
Yikes. That's, like, a half a step away from selling your eggs on the internet.
就差没在网子了。
The process permits the sperm to attach to the egg.
该过程允许精子附着在子。
And that, folks, is how you fertilize an egg.
各位,这就是子受精的方法。
Genetic changes are made to the pig eggs that Revivicor receives.
Revivicor接收的猪子会发生基因变化。
Some skin, eggs and tissue are all that remain of her.
她只留下了部分皮肤、子和组织。
About what? How few ova I have left?
说什么?说我还剩下几个子吗?
Oh, please. My eggs dried up a long time ago.
拜托,我的子很早之前就枯竭了。
They inseminated the eggs with frozen cells from dead males.
他们用死雄鱼的冷冻细胞使子受精。
Preserving young female eggs by cryogenically freezing them has also become more common.
低温冷冻年轻的雌性子也变得越来越普遍。
Yes. - I have, like, magic eggs or something.
是 -我好像有什么魔法子什么的。
Then there are children born as a result of sperm or egg donation.
有些家庭的孩子是精子或子捐献的结果。
The sex of baby turtles is influenced by the temperature at which the eggs develop.
小海龟的性别受到子发育温度的影响。
But if they're not getting their periods, they're not ovulating and releasing those eggs.
但如果不来月经,就不会排和释放子。
Fine. Did we get any eggs?
挺好的 取到子了吗?
Some sundays, I drive out to visit my frozen eggs.
有时候周日我会开车去看看我的冷冻子。
30 years, 12 eggs a year. How many men?
30年 每年12颗子。有多少男人呢?
But human eggs are incredibly small, only about a tenth of a millimeter across.
但是人类的子非常小,只有十分之一毫米宽。
They had also grown human eggs from a later stage of development.
科学家们在后期阶段也曾培育过人类子。
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