Linkage Map of the Long Arm of Barley Chromosome 3 Using C-Bands and Marker Genes

Ib Linde-Laursen

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    Abstract

    The long arm of barley chromosome 3 can be divided into four segments by three C-band locations. From the centromere the segments comprise 4 per cent, 26 per cent, 34 per cent, and 36 per cent of the arm length. The segregation of 114 F2-plants showed a 1:2:1-ratio for C-bands at the three locations. No recombination was observed between the two proximal C-band locations whereas the two distal locations recombined with a frequency of 12 2 per cent. The three C-band locations were linked with loci cer-zd, uz, and cer-zn, but not with the tightly linked loci Est-1 and Est-4. The order of and distance (in per cent rec.) among the three cytological markers and the three marker gene loci were: 3/1 -
    Original languageEnglish
    JournalHeredity
    Volume49
    Issue numberAUG
    Pages (from-to)27-35
    ISSN0018-067X
    DOIs
    Publication statusPublished - 1982

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