parthenogenesis

parthenogenesis什么意思,parthenogenesis翻译

基本解释

n.: 孤雌生殖
网络: 单性生殖；无性生殖；单性繁殖

权威解释

• 孤雌生殖:

  the process of producing new plants or animals from an ovum that has not been fertilized

英汉解释

• 【生物学】单性生殖,孤雌生殖

例句

• 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。

• Another form of apomixis in which seeds develop from unfertilized gametes can also be termed parthenogenesis.

  在另一种无融合生殖中，种子从未受精的配子中发育而来，这被称为孤雌生殖。

• By a last-resort evolutionary adaptation, female sharks, it turns out, are capable of parthenogenesis, or virgin births.

  凭这招进化适应性的杀手锏，雌性鲨鱼原来可以单性生殖，或者说，以童贞女之身怀孕生产。

• female parthenogenesis in which the embryo contains only maternal chromosomes due to the failure of the sperm to fuse with the egg nucleus.

  由于在精子与卵子融合过程中发生失败而使胚胎只包含母染色体的一种单性生殖。

• Whether parthenogenesis is an evolutionary aberration or viable strategy remains debated.

  不论这种孤雌生殖方式到底是进化中的歧途还是一种存在争议的策略。

• as the material for parthenogenesis nurture, and their offspring for molecular marker identification.

  作为材料进行孤雌生殖培育，并对其后代进行分子标记鉴定。

• Another team generated similar cells using human egg cells only, a process called parthenogenesis.

  另一个小组仅用人类的卵细胞也产生出相似的干细胞，这一过程被称之为“单性生殖”。

• Potato haploid induction has significant meaning in potato breeding, It includes parthenogenesis and anther culture methods.

  马铃薯单倍体诱导在马铃薯育种实践中具有重要意义，它包括孤雌生殖和花药培养等方法。

• The group is generally hermaphroditic, although males are rare and female parthenogenesis is common in freshwater species.

  这类组群通常是雌雄同体的，尽管雄性稀少；雌性的孤雌生殖现象在淡水物种里普通。

• In nature, clones are derived from a single parental organism or cell by mitotic cell division, asexual reproduction, or parthenogenesis .

  在自然条件下来源于有丝分裂所产生的单个亲本细胞或生物体，还可能来源于无性繁殖或单性生殖。