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单词 apogamy
释义

apogamy /əˈpɔɡəmi//əˈpɑɡəmi/

英汉-汉英词典
n. 无配子生殖
形容词: apogamic
词组 | 习惯用语
您要查找的是不是:
  • exogamy n. 异族结婚;异系交配
  • monogamy n. 一夫一妻制;[动]单配偶,单配性
  • polygamy n. 一夫多妻,一妻多夫,多配偶
  • apothegm n. 格言;箴言;警句
meiotic apogamy 减数分裂无配子生殖

网络短语:
genetic apogamy 遗传性无配生殖
diploid apogamy 二倍体无配生殖;二倍体无配子生殖
generative apogamy 有性无配子生殖
haploid apogamy 单倍体无配子生殖
reduced apogamy 单倍无配子生殖
gametic apogamy 配子无配生殖
somatic apogamy 体细胞无配子生殖;体细胞无配生殖
pseudo apogamy 假孤雌生殖
英语例句库
  1. Apomixes is comparable to the conditions of apogamy and apospory, which are seen in many ferns.
    在许多蕨类植物中常见的无融合生殖包括无配子生殖和无孢子生殖。
  2. Homosporous ferns produce sporophytes by intra gametophytic selfing, inter gametophytic mating, or apogamy.Gametangium ontogeny, genetic load, and ploidy affect the mating system of each species.
    摘要同型孢子蕨类的孢子体可经由同配子体自交、异配子体交配两类配育系统或以无配生殖的方式产生,异配子体交配又可分为异配子体自交和异配子体异交两种方式。

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英语百科

Apomixis

(重定向自Apogamy)
Vegetative apomixis in Poa bulbosa; bulbils form instead of flowers
Caribbean Agave producing plantlets on the old flower stem.

In botany, apomixis was defined by Hans Winkler as replacement of the normal sexual reproduction by ****ual reproduction, without fertilization. Its etymology is Greek for "away from" + "mixing". This definition notably does not mention meiosis. Thus "normal ****ual reproduction" of plants, such as propagation from cuttings or leaves, has never been considered to be apomixis, but replacement of the seed by a plantlet or replacement of the flower by bulbils are types of apomixis. Apomictically produced offspring are genetically identical to the parent plant.

近义、反义、联想词
近义词
n.
apomixis

英英词典
apogamy n.
  1. (botany) development of an embryo without fertilization; especially the development in some ferns of a sporophyte from the gametophyte without fertilization
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更新时间:2025/6/21 21:51:47