Allium cepa Bio Assay to Assess the Water and Sediment Cytogenotoxicity in a Tropical Stream Subjected to Multiple Point and Nonpoint Source Pollutants

Figure 3

The microscopic appearance of the observed nuclear abnormalities in the Allium cepa rot tip cells ((a): condensed nuclei; (b): bi nuclei; (c): nuclear buds).

(a)

(b)

(c)