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Establishment of equilibrium for the dominant lethal gene for Manx taillessness in cats

Summary

An account is given of a model by which the dominant gene for Manx taillessness in cats is maintained at a stable equilibrium value in cat populations in spite of the homozygous condition being lethal. The model assumes that M-carrying sperm have a selective advantage during fertilization, and that M-carrying chromatids are selectively retained at the second maturation division. Estimates of fertilization parameters differed significantly from the value 0.5, which is the expected value if selective fertilization is absent.

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Literature

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Communicated by D. Van Vleek

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Adalsteinsson, S. Establishment of equilibrium for the dominant lethal gene for Manx taillessness in cats. Theoret. Appl. Genetics 57, 49–53 (1980). https://doi.org/10.1007/BF00277762

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Key words

  • Cats
  • Taillessness
  • Selective fertilization
  • Equilibrium