parthenogenesis

副词：

副词: parthenogenetically

更多词形：

形容词: parthenogenetic | 副词: parthenogenetically |

单词例句：

Asexual reproduction, as by budding, cell division, or parthenogenesis.

无性生殖通过芽接，细胞分裂或单性生殖而形成的无性繁殖

In the type of parthenogenesis observed in sharks, one of those cells behaves like a sperm and fertilizes the egg.

鲨鱼在单性繁殖时，这些细胞中的一个起到精子作用为卵子授精。

In some species fertilization is not necessary. Instead, parthenogenesis takes place: the egg is spontaneously activated and proceeds to normal embryonic development.

对某些物种而言，受精不是必须的。孤雌生殖，即卵自发地被激活并进入正常的胚胎发育过程中。

German-born American physiologist noted for his work on parthenogenesis.

勒布，雅克1859－1924德裔美籍生理学家，以其在单性生殖方面的研究闻名

Study on rice breeding by parthenogenesis

水稻单性生殖育种研究

Parthenogenesis in which the egg is activated by sperm,but without fusion of the egg and sperm nuclei.

雌核生殖一种单性生殖，精子激活卵子，但是卵子和精子核没有融合

The embryo formation characteristics of anther culture process such as parthenogenesis and other reproduce were compared.

以期更好地了解植物花药培养发生机制。

Some camps parthenogenesis, or Ovoviviparous reproductive embryo (a fertilized egg a few embryos).

也有的营孤雌生殖、卵胎生或多胚生殖(一个受精卵形成几个胚胎)。

Twenty years ago, in 1980, they had together engineered the first experiment in human parthenogenesis, the fertilization of a female cell without the help of a male one.

二十年前，也就是1980年，他们合作进行了人类孤雌繁殖的第一次实验，在并未借助男性精子的情况下，就让一位女性的卵子受孕。