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This article in AJ

  1. Vol. 49 No. 11, p. 604-606

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Inheritance of an Exposed Stigma Mutant in Alfalfa, Medicago Sativa L.1

  1. R. Markus and
  2. C. P. Wilsie22



Tetrasomic inheritance of a single factor difference was postulated to explain F2 and backcross ratios from a cross involving normal × exposed stigma. Forty eight Fi plants were normal. Of 17 F2 progenies, 9 segregated approximately 35:1 and 8, approximately 3:1. Respective backcross; ratios were 5:1 and 1:1. Deviations from expected ratios indicated a deficiency of recessive genotypes, due possibly to partial selection against recessive gametes.

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