Abstract
SUMMARYThe meiotic numbers of Morus indica L. and Morus laevigata Wall, were confirmed to be as n = 14 and n = 28 respectively. Secondary association of bivalents indicates 7 as basic number. In M. laevigata the following peculiarities were noted in its meiotic behaviour: I) presence of multivalents and laggers;II) irregular separation of chromosomes;III) unequal numbers of chromosomes in different PMCs.The allopolyploid nature of M. indica and polyploid state of M. laevigata have been suggested.
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