Fig. 1
From: The micronucleus test—most widely used in vivo genotoxicity test—
Comparison of the appearance between karyotypes and micronucleated cells. Karyotype and micronucleus (arrow) of fresh water fish (Carassius sp.) (a and d), mouse (b and e), and Chinese hamster (c and f). The micronuclei are simple structure independently from complexity of karyotype of each species