Chromosome study of diploid Indian squill, Urginea indica Kunth.

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Abstract
The chromosomes of 9 populations of U. indica representing the diploid race were studied. The chromosome morphology of U. indica is quite distinct. The karyotype is highly asymmetrical both in size and morphology. The populations differ with respect to minute karyotypic details. Chromosomal polymorphism mainly involves the nucleolar chromosomes. The role of structural alteration of chromosomes in the evolution of race is evidenced by detailed analysis of karyotype. The constancy of the karyotype within the population indicates certain adaptability to the microenvironment.

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