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单词 synapsis
释义

Definition of synapsis in English:

synapsis

noun sɪˈnapsɪssəˈnæpsəs
mass nounBiology
  • The fusion of chromosome pairs at the start of meiosis.

    〔生〕(染色体)结合,联会

    Example sentencesExamples
    • It has long been thought that the grouping of telomeres is important for chromosome pairing and subsequent synapsis.
    • It was proposed that these sites mediated the initial interactions between homologous chromosomes leading to synapsis and recombination.
    • Some chromosomes may be unable to re-establish homologous synapsis after the insertion.
    • Several of these articles dealt with mutants affecting synapsis, meiosis, or disjunction.
    • These findings suggest that the extensive protein modification that occurs to prepare chromosomes for synapsis and recombination may provide at least a partial mechanism by which rereplication is blocked.

Origin

Late 19th century: modern Latin, from Greek sunapsis 'connection, junction'.

Definition of synapsis in US English:

synapsis

nounsəˈnapsəssəˈnæpsəs
Biology
  • The fusion of chromosome pairs at the start of meiosis.

    〔生〕(染色体)结合,联会

    Example sentencesExamples
    • It has long been thought that the grouping of telomeres is important for chromosome pairing and subsequent synapsis.
    • Some chromosomes may be unable to re-establish homologous synapsis after the insertion.
    • Several of these articles dealt with mutants affecting synapsis, meiosis, or disjunction.
    • These findings suggest that the extensive protein modification that occurs to prepare chromosomes for synapsis and recombination may provide at least a partial mechanism by which rereplication is blocked.
    • It was proposed that these sites mediated the initial interactions between homologous chromosomes leading to synapsis and recombination.

Origin

Late 19th century: modern Latin, from Greek sunapsis ‘connection, junction’.

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更新时间:2025/1/14 7:28:41