Theoretical and Applied Genetics

, Volume 93, Issue 3, pp 440–446 | Cite as

Segregation distortion of isozyme loci in cherimoya (Annona cherimola Mill)

  • F. Perfectti
  • L. Pascual


The allelic segregation of 13 isozyme loci in hand-fertilized heterozygous cherimoya trees (Annona cherimola Mill.) has been studied. We analyzed 63 locus x progeny combinations and found non-Mendelian segregation in 12 cases. The sequential Bonferroni method revealed only eight cases of non-Mendelian segregation; these have been investigated with several chi-square tests to discover what processes were involved. Gametic selection appears to be the main contributor, although zygotic selection seems also to play a part.

Key words

Segregation distortion Annona Cherimoya Isozyme Gametic selection Zygotic selection 


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Copyright information

© Springer-Verlag 1996

Authors and Affiliations

  • F. Perfectti
    • 1
  • L. Pascual
    • 1
  1. 1.Departamento de Genética, Facultad de CienciasUniversidad de GranadaGranadaSpain

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