Somatic association of homoeologous chromosomes in Triticum aestivum

M. Feldman*, T. Mello-Sampayo, Lydia Avivi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The distributions of distances between members of homoeologous pairs was studied in common wheat in root-tip cells and meiocytes. In the majority of the pairs the mean distances were found to be significantly shorter than that calculated for two randomly distributed chromosomes. It could be concluded that homoeologues are loosely associated in somatic cells and more markedly so in meiocytes. However, this association is less intimate than that established previously for homologues. The tests were made in material which carries the association suppressor gene in two doses and the present findings support the assumption that in this dosage the suppressor gene has a smaller effect on homologues than on homoeologues.

Original languageEnglish
Pages (from-to)209-222
Number of pages14
JournalChromosoma
Volume37
Issue number2
DOIs
StatePublished - Jun 1972
Externally publishedYes

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