Secondary Chromosome Associations in <i>Ocimum basilicum</i> L. and <i>Ocimum tenuiflorum</i> L.

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  • Mukherjee Moumita
    Department of Botany, Cytogenetics and Plant Breeding Section, Kalyani University
  • Datta Animesh K.
    Department of Botany, Cytogenetics and Plant Breeding Section, Kalyani University

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Description

Meiotic analysis performed in O. basilicum L. (2n=72) and O. tenuiflorum L. (2n=36) demonstrated persistent presence of secondary association of chromosomes in 94.74 and 85.16 per cent metaphase I cells respectively. Secondary polyploidy has been attributed as the possible cause of secondary association of chromosomes and the basic chromosome number for both species has been suggested to be x=12 with probable origin from primitive base number x=6 through polyploidy.

Journal

  • CYTOLOGIA

    CYTOLOGIA 70 (2), 149-152, 2005

    Japan Mendel Society, International Society of Cytology

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