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Syngamy - The fusion of egg and sperm cells into a zygote.

Syngamy -卵和卵。

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We focused on several key events during fertilization from membrane fusion to karyogamy of sperm cells and egg cells.

探讨了从胞和卵胞质到它们的核这一发育阶段的某些主要事件。

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Asap SCIENCE 精选

Male users may experience sperm cell abnormalities and decreased sperm count.

男性服用者可能出现精子异常并且减少精子数量。

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双语版 TED-Ed 演讲精选

Most epigenetic marks are erased when egg and sperm cells are formed.

子和精子形成时, 大多数表徵遗传的标记被去除。

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双语版 TED-Ed 演讲精选

So an egg cell must be fertilized by a sperm cell to form two full sets of chromosomes.

因此,必须由精子受精才能形成两套完整的染色体。

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SciShow

Basically, one of its ovaries started producing spermatocytes, the precursors to sperm cells.

基本上,它的一个巢开始产生精母,精子的前体。

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科学60秒-科学美国人 2021年5月

And his discoveries of blood cells, sperm cells, parasites and bacteria were altogether extraordinary.

他对血、精子、寄生菌的发现都是非同寻常的。

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休伯曼实验室

Well, why wouldn't the DNA of the sperm cells and the egg

那么,为什么精子子的 DNA 不可以呢?

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Osmosis-遗传

Now, if an egg cell combines with any of these sperm cells that have the missing chromosome, then you get Turner syndrome.

现在,如果一个与这些缺少染色体的精子中的任意一个相结造成特纳综征。

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简单英语小故事

Babies start to grow in the womb when a sperm cell meets an egg and fertilises it.

当精子子相遇并使其受精时,婴儿开始在子宫中生长。

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SciShow

Sperm cells were believed to be inert carriers of DNA, so scientists just...never really looked into it.

精子被认为是 DNA 的惰性载体, 所以科学家们只是… … 从未真正研究过它。

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双语版 TED-Ed 演讲精选

The wind or a pollinator carried pollen from the flower of one of its parents to the other, where a sperm cell fertilized an egg.

风或者传粉的昆把花粉从亲本植株中的一棵带到另一棵,在那里精子使子受精。

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SciShow

And what if you replaced that mutated gene before an embryo even developed -- like, in an egg or sperm cell?

如果你甚至在胚胎发育之前替换了那个突变基因——比如在子或精子中?

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Asap SCIENCE 精选

When the sperm cell from your father which carries an 'X' or a 'Y' chromosome fuse with the egg from your mother, which carries an 'X' chromosome.

这时,一个来自父亲的,携带“X”或“Y”染色体精子和来自母亲的,携带一个“X”染色体的子结

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Osmosis-遗传

In order to package up half the chromosomes into either a sperm cell or an egg cell, you actually start with a single cell that has 46 chromosomes.

为了将一半的染色体打包装进精子或中,你其实是从一个具有46条染色体的体开始的。

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耶鲁大学公开课:心理学导论

By definition, when biologists talk about this, animals that are males have a little sex cell, which carries genes and nothing else – sperm cells.

根据定义,当生物学家谈论这一点时,雄性动物有一个小性,它携带基因, 而不携带其他东西——精子

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Crash Course 植物学篇

First, they all start as single-celled zygotes — made from a sperm cell and egg cell combo — that become multicellular embryos: the tiny beginnings of roots, stems, and leaves.

首先,它们都是从单受精开始的——由精子而成——然后变成多胚胎:根、茎和叶的微小开端。

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双语版 TED-Ed 演讲精选

Some of the only parts of the body whose motions aren't governed by the muscular system are sperm cells, the hair-like cilia in our airways, and certain white blood cells.

而在我们身体的某些部分,动作不是由肌肉系统控制的,它们包括精,我们气道里的丝状纤维,还有某些白

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SciShow

We also know that they’re inherited, but for a long time, geneticists thought that sperm cells were too small to contain both the genome AND the epigenetic information of the donor.

我们也知道它们是遗传的, 但很长一段时间以来,遗传学家认为精子太小而无法包含供体的基因组和表观遗传信息。

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15篇文章贯通六级词汇

Normally, each egg and sperm cell contains 23 chromosomes, and, when they unite, 23 pairs or 46 in total. Occasionally, an accident occurs when the egg or sperm cell is forming, creating an extra chromosome number 21.

正常情况下,每个子和精子包含 23 条染色体,当它们结时,共有 23 对或 46 条染色体。偶尔,当子或精子形成时发生意外,从而产生额外的 21 号染色体。

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3G, 401(K), a,
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