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Effect of Gamma Radiation on Chromosome at Mitotic Division in Phlox drummondii

Author Affiliations

  • 1School of Studies in Botany, Vikram University, Ujjain, INDIA

Int. Res. J. Biological Sci., Volume 4, Issue (1), Pages 82-85, January,10 (2015)


The present study was conducted to understanding effects of gamma radiation on mitosis. Seeds of Phlox drummondii were irradiated with five doses viz. 5kR, 10kR, 15 kR, 20kR and 25kR of gamma rays and studied of effects on mitosis. Various type Chromosomal aberrations were displayed like, dicentric, tricentric, translocation, deletion, fragment, ring, minute, bridge and micronucleus in treated root tip mitosis. Chromosomal aberrations were found to be correlated with dose. The maximum frequency of Chromosomal abnormalities was in 25kR.


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