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单词 panmixia
释义

Definition of panmixia in English:

panmixia

noun panˈmɪksɪəpanˈmiksēə
mass nounZoology
  • Random mating within a breeding population.

    〔动〕随机交配

    Example sentencesExamples
    • With an extinction-colonization model, the probability of fixation can be much reduced relative to panmixia.
    • Microsatellite markers revealed no particular departure from panmixia within each local population and a genetic structure consistent with isolation by distance.
    • The population size N is considered as constant, with as many males as females, reproducing by panmixia.
    • Random mating can be looked for by using the Hardy-Weinberg test, or conversely departure from panmixia can be detected by using linkage disequilibrium tests.
    • If the size of the effective breeding population is still greater, approaching panmixia in varying degrees, evolution will be slowed down considerably.

Derivatives

  • panmictic

  • adjective panˈmɪktɪkˌpænˈmɪktɪk
    Zoology
    • Characterized by random mating within a breeding population.

      〔动〕随机交配

      populations within subspecies were essentially panmictic
      Example sentencesExamples
      • Another long-standing question stemming from the eels' catadromous life history is whether conspecific populations from different locales within a continent have come from a panmictic spawn.
      • Contrary to our expectation, populations within subspecies were essentially panmictic, despite behaviors, such as semicolonial nesting and philopatry, that might be expected to limit dispersal.
      • The ocean has been thought to have few boundaries, and marine species have been often perceived to be panmictic.

Origin

Late 19th century: modern Latin, from German Panmixie, from Greek pan 'all' + mixis 'mixing'.

Definition of panmixia in US English:

panmixia

nounpanˈmiksēə
Zoology
  • Random mating within a breeding population.

    〔动〕随机交配

    Example sentencesExamples
    • If the size of the effective breeding population is still greater, approaching panmixia in varying degrees, evolution will be slowed down considerably.
    • Random mating can be looked for by using the Hardy-Weinberg test, or conversely departure from panmixia can be detected by using linkage disequilibrium tests.
    • With an extinction-colonization model, the probability of fixation can be much reduced relative to panmixia.
    • The population size N is considered as constant, with as many males as females, reproducing by panmixia.
    • Microsatellite markers revealed no particular departure from panmixia within each local population and a genetic structure consistent with isolation by distance.

Origin

Late 19th century: modern Latin, from German Panmixie, from Greek pan ‘all’ + mixis ‘mixing’.

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更新时间:2024/12/27 17:06:02