In vitro and in vivo genotoxic effects of somatic cell nuclear transfer cloned cattle meat

► Treatment with cloned cattle meat extracts did not induce revertants in the five bacterial strains and chromosomal aberrations in CHL/IU cells. ► Consumption of cloned cattle meat diet did not induce any incidence of MNPCEs in mouse bone marrow polychromatic erythrocytes. ► The cloned cattle meat does not induce any harmful genotoxic effects in vitro and in vivo.