The use  of carbon and carmine particles in cell fusion experiments to distinguish hybrids from parental cells.
D000818:Animals; D003585:Cell Biology; D002459:Cell Fusion; D002460:Cell Line; D006224:Cricetinae; D046508:Culture Techniques; D006824:Hybridization, Genetic; D051379:Mice; D013194:Staining and Labeling