Genetic Analysis of Inheritance of mei8, sy1 , and sy10 Meiotic Mutations in Rye Secale cereale L.

作者: S. P. Sosnikhina , G. A. Kirillova , S. N. Priyatkina , O. A. Tikholiz , E. I. Mikhailova

DOI: 10.1023/A:1024401725599

关键词: MutationProphaseGeneticsMutantEpistasisGenetic analysisMeiosisSecaleBiologySynapsis

摘要: It is shown that mutations mei8 (irregular condensation and fragmentation of meiotic chromosomes),sy1(asynapsis), sy10 (heterologous synapsis) rye Secale cereale L. are nonallelic. In double mutants sy1 both expressed simultaneously independently each other. A study joint inheritance revealed their interaction by means recessive epistasis: the sy1sy10 has phenotype. This gene controls an earlier stage synapsis in prophase than gene. Mutation mei8is inherited but it linked to (recombination frequency 26.8 ± 3.58%).

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