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单词 amphimixis
释义

Definition of amphimixis in English:

amphimixis

nounˌamfɪˈmɪksɪsˌamfəˈmiksis
mass nounBotany
  • Sexual reproduction involving the fusion of two different gametes to form a zygote.

    〔植〕两性融合。常与APOMIXIS 相对

    Often contrasted with apomixis
    Example sentencesExamples
    • When I speak of sexual reproduction in this essay, I mean anisogamous amphimixis.
    • Facultative amphimixis is the equivalent of the mechanism described under meiotic parthenogenesis.
    • ‘Fertilization is an amphimixis,’ he exclaimed, ‘a mixing or fusing of the properties of the two parental generators.’
    • Our findings indicate that in general haplodiploidy and automixis should be more successful than amphimixis or apomixis.
    • A great diversity of reproductive mechanisms occur among nematodes, including amphimixis, automictic hermaphroditisim, and parthenogenesis.

Derivatives

  • amphimictic

  • adjective
    Botany
    • Comparative investigation on spindle behavior and MPF activity changes during oocyte maturation between genogenetic and amphimictic crucian carp.
      Example sentencesExamples
      • The results of analysis of the amphimictic progenies confirmed the proposed earlier hypothesis that the development of black patches in koi is controlled by one dominant gene.
      • The Catipes group has amphimictic diploids and tetraploids and derived from them are all of the polyploid agamic complexes in the genus.
      • Levels of apomictic and amphimictic seed formation in a natural population of Coprosma robusta in Riccarton Bush, Christchurch, New Zealand
      • Also, the species' integrality means not only amphimictic reproduction; it is much more complex process.

Origin

Late 19th century: from amphi- + Greek mixis 'mingling'.

Definition of amphimixis in US English:

amphimixis

nounˌamfəˈmiksis
Botany
  • Sexual reproduction involving the fusion of two different gametes to form a zygote.

    〔植〕两性融合。常与APOMIXIS 相对

    Often contrasted with apomixis
    Example sentencesExamples
    • ‘Fertilization is an amphimixis,’ he exclaimed, ‘a mixing or fusing of the properties of the two parental generators.’
    • When I speak of sexual reproduction in this essay, I mean anisogamous amphimixis.
    • Facultative amphimixis is the equivalent of the mechanism described under meiotic parthenogenesis.
    • Our findings indicate that in general haplodiploidy and automixis should be more successful than amphimixis or apomixis.
    • A great diversity of reproductive mechanisms occur among nematodes, including amphimixis, automictic hermaphroditisim, and parthenogenesis.

Origin

Late 19th century: from amphi- + Greek mixis ‘mingling’.

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更新时间:2024/11/11 10:32:58