请输入您要查询的英文单词:

 

单词 pseudogamy
释义

Definition of pseudogamy in English:

pseudogamy

noun s(j)uːˈdɒɡəmi
  • 1Botany. A form of apomixis in which the embryo develops from the female gamete following the stimulus of pollination but without fertilization (but usually requiring fertilization of the polar nuclei to generate the endosperm).

  • 2Zoology. A form of parthenogenetic reproduction in which mating (especially penetration of the ovum by a sperm) is required to stimulate development of the ovum, but in which the male does not contribute genetic material to the offspring.

Origin

Early 20th century; earliest use found in Benjamin Jackson (1846–1927). From pseudo- + -gamy, originally after German Pseudogamie.

Definition of pseudogamy in US English:

pseudogamy

nouns(j)uːˈdɒɡəmi
  • 1Botany. A form of apomixis in which the embryo develops from the female gamete following the stimulus of pollination but without fertilization (but usually requiring fertilization of the polar nuclei to generate the endosperm).

  • 2Zoology. A form of parthenogenetic reproduction in which mating (especially penetration of the ovum by a sperm) is required to stimulate development of the ovum, but in which the male does not contribute genetic material to the offspring.

Origin

Early 20th century; earliest use found in Benjamin Jackson (1846–1927). From pseudo- + -gamy, originally after German Pseudogamie.

随便看

 

英汉双解词典包含464360条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/27 4:15:56