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Genetic analysis of a polyembryonic mutant in rye
Authors:R. Linacero  A. M. Vázquez
Affiliation:(1) Departamento de Genética, Facultad de Biologia, Universidad Complutense de Madrid, 28040 Madrid, Spain
Abstract:We have obtained one plant regenerated from rye tissue culture which showed a high percentage of polyembryonic seeds in its progeny. The mutation inducing the development of extra embryos is also influencing erroneous cell division, mitosis and meiosis. The genetic analysis indicated that the aptitude for polyembryonic seed formation is a heritable trait controlled by a dominant gene. However, for expression of the phenotype the female parent should have a specific cytoplasm.
Keywords:Secale cereale  Polyembryony  Chromosome mosaics  Rye  Genetics
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