Journal of Genetics

, 54:294 | Cite as

The estimation of viabilities

  • J. B. S. Haldane


If a sample containsa of a phenotype A andb of a phenotype B, where equal numbers of the two types are expected, thenb/a is a biased estimate of the relative viability of B; andb/(a+ I) is an almost unbiased estimate.


  1. Wallace, B. (1956). Studies on irradiated populations ofDrosophila melanogaster.J. Genet. 54, 280–293.CrossRefGoogle Scholar

Copyright information

© Indian Academy of Sciences 1956

Authors and Affiliations

  • J. B. S. Haldane
    • 1
  1. 1.Department of BiometryUniversity College LondonLondon

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