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Gametophytic selection as the basis for changes in segregation for genes linked with a gene for incompatibility under conditions of limitation on the number of alleles for the incompatibility gene



Gametophytic selection as the basis for changes in segregation for genes linked with a gene for incompatibility under conditions of limitation on the number of alleles for the incompatibility gene



Gametnaya i zigotnaya selektsiya rastenii Res ikanskaya konferentsiya, 23 iyunya, 1986: 110-112



In rye, the complementary genes S and Z control incompatibility and, when the number of alleles of these genes is limited (the maximum limitation being achieved when only 2 plants are crossed), many of the pollen grains undergo negative selection in the pistil tissue. S is closely linked with el1 (liguleless) and m (branched ear). Of 7 crosses between liguleless and branched-eared plants, only one resulted in monohybrid segregation for both genes in all families.

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Accession: 001842737

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