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词汇 zygote
释义

Definition of zygote in English:

zygote

noun ˈzʌɪɡəʊtˈzaɪˌɡoʊt
Biology
  • A diploid cell resulting from the fusion of two haploid gametes; a fertilized ovum.

    〔生〕合子;受精卵

    Example sentencesExamples
    • Those 10 frozen little 16 or 32 cell zygotes will never be used for anything else.
    • Conjugation frequencies were calculated by dividing the number of zygotes (one zygote counted as two cells) by the total number of cells present.
    • Early embryonic development in many plants is characterized by asymmetric cell division of the zygote, which specifies apical and basal regions.
    • In charophytes, the first cell division of the zygote is meiosis, and their plant body is gametophytic.
    • A brief exposure to chloroform vapors kills vegetative cells but not zygotes.
    • The fusion of egg and sperm restores the diploid chromosome number in the zygote.

Derivatives

  • zygotic

  • adjectivezʌɪˈɡɒtɪk
    Biology
    • Most of the regions identified by these deficiencies do not contain previously identified zygotic cell death genes.
      Example sentencesExamples
      • A post zygotic mutation restricted to somatic cells has been assumed to be responsible for most cases.
      • Several gametic and zygotic reproductive barriers were found in a cross between Japonica and Indica rice varieties.
      • Otherwise, abnormal mitosis occurs, which typically results in zygotic death.
      • It is the sperm basal body that serves as a centriole in the zygotic microtubule organizing center.
  • zygotically

  • adverb-ˈɡɒtɪk(ə)li
    Biology

Origin

Late 19th century: from Greek zugōtos 'yoked', from zugoun 'to yoke'.

Definition of zygote in US English:

zygote

nounˈzaɪˌɡoʊtˈzīˌɡōt
Biology
  • A diploid cell resulting from the fusion of two haploid gametes; a fertilized ovum.

    〔生〕合子;受精卵

    Example sentencesExamples
    • A brief exposure to chloroform vapors kills vegetative cells but not zygotes.
    • Those 10 frozen little 16 or 32 cell zygotes will never be used for anything else.
    • The fusion of egg and sperm restores the diploid chromosome number in the zygote.
    • Early embryonic development in many plants is characterized by asymmetric cell division of the zygote, which specifies apical and basal regions.
    • In charophytes, the first cell division of the zygote is meiosis, and their plant body is gametophytic.
    • Conjugation frequencies were calculated by dividing the number of zygotes (one zygote counted as two cells) by the total number of cells present.

Origin

Late 19th century: from Greek zugōtos ‘yoked’, from zugoun ‘to yoke’.

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