ordered arrangement of bivalents at first meiotic metaphase of wheat. I. Hexaploid wheat

Distances between marked pairs of bivalents were determined at first meiotic metaphase of common wheat (2n = 6x = 42; genome AABBDD) by tallying the number of bivalents intervening between the marked bivalents. Bivalents of the same genome tended to lie relatively close to one another, whereas those...

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Veröffentlicht in:Chromosoma 1985-04, Vol.91 (5), p.347-354
Hauptverfasser: Yacobi, Y.Z, Levanony, H, Feldman, M
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Levanony, H
Feldman, M
description Distances between marked pairs of bivalents were determined at first meiotic metaphase of common wheat (2n = 6x = 42; genome AABBDD) by tallying the number of bivalents intervening between the marked bivalents. Bivalents of the same genome tended to lie relatively close to one another, whereas those of different genomes were further apart on the metaphase plate. Within each genome the association of telocentric bivalents representing the two different arms of one chromosome was much more intimate that that of genetically nonrelated bivalents. Among chromosomes of different genomes, homocologous bivalents were relatively closer to one another than nonrelated ones.
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subjects Agronomy. Soil science and plant productions
Biological and medical sciences
bivalents
chromosomes
Cytogenetics
Fundamental and applied biological sciences. Psychology
Generalities. Genetics. Plant material
Genetics and breeding of economic plants
Genetics of eukaryotes. Biological and molecular evolution
genome
hexaploidy
meiosis
Pteridophyta, spermatophyta
Triticum aestivum
Vegetals and fungi
title ordered arrangement of bivalents at first meiotic metaphase of wheat. I. Hexaploid wheat
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