Genetic Damage Induced by a Food Coloring Dye (Sunset Yellow) on Meristematic Cells of Brassica campestris L.

Table 2

Frequency of mitotic abnormalities (at metaphase, anaphase, and telophase) in azo dye treated root tip meristems of Brassica  campestris L.

Treatments %	Metaphase abnormalities %					Anaphase abnormalities %					Telophase abnormality (%)^***
	Pm	Un	C-mt	St	Oth^*	Bg	Lg	Fm	St	Oth^**
Control	—	—	—	—	—	—	—	—	—	—	—
1	—	0.01	—	1.48	0.6	0.01	—	0.17	1.0	—	1.50
3	1.09	0.32	0.30	2.80	0.29	—	0.35	0.71	1.33	0.19	1.75
5	2.02	1.54	1.11	3.30	0.47	0.21	0.51	0.79	2.59	0.67	2.17

Pm: precocious movement of chromosomes, Un: unorientation, C-mt: C-mitosis, St: stickiness, Bg: bridge, Lg: laggards, Fm: forward movement of chromosomes, Oth: other abnormalities, ^*clumping, ^**fragmentation, unequal separation, and binuleate cells, and ^***micronuclei.