Genome-specific control of meiotic pairing evidenced in mutant Aegilops ventricosa-Secale cereale amphidiploids

1 December 1985

journal article
research article
Published by Springer Nature in Theoretical and Applied Genetics

Vol. 71 (3) , 532-535
https://doi.org/10.1007/bf00251201

Abstract

The Ae. ventricosa and S. cereale genomes were distinguished at meiosis by the C-banding procedure. Only two plants of the amphiploid Ae. ventricosa-S. cereale were found to exhibit the high degree of asynapsis limited to Aegilops ventricosa genomes. In addition, these genomes showed higher homoeologous pairing than homologous pairing frequencies. These results can be explained by the existence of separate genome-specific control of meiotic pairing between the chromosomes of both species in these synaptic mutant plants.

Keywords

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