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词汇 heteromorphism
释义

Definition of heteromorphism in English:

heteromorphism

noun ˌhɛt(ə)rə(ʊ)ˈmɔːfɪz(ə)mˌhɛdərəˈmɔrfɪzəm
mass nounBiology
  • The quality or condition of existing in various forms.

    〔生〕异形性,异态性

    chromosomal heteromorphism

    染色体异形。

    Example sentencesExamples
    • Chromosome heteromorphism therefore reflects de novo evolution of sex chromosomes during the evolution of dioecy in this plant lineage, a relatively recent event within this genus.
    • In specimens of GC, CB, and LM, the AgNORs were located at terminal regions of the short arm of an SM pair, in which was observed a size heteromorphism between homologue chromosomes.
    • These results support the hypothesis that transposons accumulate in nonrecombining regions and may be one cause of the heteromorphism of sex chromosomes.
    • In another individual of this same species, the two 5S rDNA sites showed size heteromorphism.

Definition of heteromorphism in US English:

heteromorphism

nounˌhedərəˈmôrfizəmˌhɛdərəˈmɔrfɪzəm
Biology
  • The quality or condition of existing in various forms.

    〔生〕异形性,异态性

    chromosomal heteromorphism

    染色体异形。

    Example sentencesExamples
    • In another individual of this same species, the two 5S rDNA sites showed size heteromorphism.
    • In specimens of GC, CB, and LM, the AgNORs were located at terminal regions of the short arm of an SM pair, in which was observed a size heteromorphism between homologue chromosomes.
    • Chromosome heteromorphism therefore reflects de novo evolution of sex chromosomes during the evolution of dioecy in this plant lineage, a relatively recent event within this genus.
    • These results support the hypothesis that transposons accumulate in nonrecombining regions and may be one cause of the heteromorphism of sex chromosomes.
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