精子的

The male bird performs a sort of mating dance before copulating with the female.

雄性的精子使雌性的卵子受精。

The other, H19, is active in eggs, and aids in deactivating IGF2 in the egg.

另一种叫H19在卵子中是活性的，主要功能是去处精子中IGF2的活性。

This assumption disregards many other factors such as the genetic contribution of the sperm the determining forces of our environment.

这种假设忽视了许多8ttt8其他的因素，如精子遗传和后天环境的决定性影响。

This assumption disregards many other factors such as the genetic contribution of the sperm and the determining forces of our environment.

这种假设忽视了许多其他的因素，如精子遗传和后天环境的决定性影响。

Even under optimal conditions, only the following percentage of ejaculated

即使在最理想的条件下，所射精液中成功进入子宫的精子百分比只有

"The male who ejaculates the greatest number of sperm may win at this game, and hence many bats have evolved outrageously big testes," Pitnick said.

Pitnick认为：睾丸能射出最多精子数量的雄性蝙蝠在交配中才有可能胜出，因而许多蝙蝠通过进化，都有了超常大的睾丸。

Objective To localize the Mahoganoid protein and it's mRNA in the testes and epididymides of rats in different ages and study the gene's significance in spermatogenesis.

结论Mahoganoid蛋白及其mRNA在成熟大鼠睾丸和附睾组织中均有表达，二者分布基本一致，提示Mahoganoid在精子发生中可能具有一定的作用，并且睾丸和附睾具有自主合成Mahoganoid蛋白的能力。

The male sperm fertilizes the female egg.

雄性的精子使雌性的卵子受精。

This means that when the sperm containing one allele of each gene fertilizes the egg containing one allele of each gene , then the offspring will once again have two alleles for each gene .

这就是说，意味着每个精子和卵子各包含一份遗传基因，这样他们的后代在染色体基因位置上包含来自其父母的两种基因。

In the previous agreements, she was artificially inseminated with the father's sperm.

在以前的协议，她通过人工受精与父亲的精子。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。