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词汇 centimorgan
释义

Definition of centimorgan in English:

centimorgan

(also centiMorgan)
noun ˈsɛntɪˌmɔːɡ(ə)n
Genetics
  • A map unit used to express the distance between two gene loci on a chromosome. A spacing of one centimorgan indicates a one per cent chance that two genes will be separated by crossing over.

    〔遗传〕厘摩

    Example sentencesExamples
    • Numbers to the left of the chromosome indicate the genetic distance in centimorgans from the centromere.
    • The distance is indicated as centimorgans with the 95% confidence interval in brackets.
    • Each horizontal axis represents the genetic map of the indicated rat chromosome in Haldane centimorgans and the markers at which genotypes were determined.
    • The black numerals on the left of the chromosome indicate the genetic distance in centimorgans.
    • The x-axis represents the length of the chromosome in centimorgans.

Origin

Mid 20th century: from centi- (denoting a factor of one hundredth) + the name of T. H. Morgan (see Morgan, Thomas Hunt).

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