eng Oriental Scientific Publishing Company Biosciences Biotechnology Research Asia 0973-1245 2016-05-05 7 2 807 812 9289 article Cordilea Hannah 1 E. Joyce Sudandara Priya 2 Anu Mammen 2 Department of Plant Biology and Plant Biotechnology, Women’s Christian College, Chennai - 600 006 (India). Department of Plant Biology and Plant Biotechnology, Madras Christian College, Chennai - 600 059 (India). The mutagenecity of carbonated cola drinks were investigated using the root chromosome assay. Treatment with cola drinks for 2, 24 & 48 hours showed mito-inhibitory effect. The total chromosomal aberrations increased significantly with prolonged exposures, indicating duration dependant cytostatic and clastogenic properties of Coke and Pepsi. https://www.biotech-asia.org/vol7no2/duration-dependent-mutagenic-study-of-cola-drinks-on-allium-cepa-l/ Carbonated cola drinks; onion root meristem; mutagenicity.