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GIEMSA N- BANDING PATTERN IN HORDEUM MURINUM
BUSHREEN JAHAN AND AHSAN A. VAHIDY*
Abstract:
Giemsa N-banding pattern in some tetraploid taxon of Hordeum murinum
was studied. An ideogram was developed for each studied taxon of
Hordeum murinum for the description of individual N-bands.
N-banded karyotype of tetraploid taxa of H. murinum had 4-6 bands
per chromosome, subsp. murinum showed 5 and subsp.
leporinum 6 bands per chromosome on an average. Most of the bands
were intercalary. The pattern showed high levels of band heteromorphism
and banding pattern polymorphism but heteromorphisms were not observed
between homologous chromosomes within these taxa.
Department of Botany, Federal Urdu University of Arts, Science &
Technology, Gulshan-e-Iqbal Campus, Karachi-75300, Pakistan and
*Department
of Genetics, University of Karachi, Karachi-75270, Pakistan.
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