Mouse chimaeras derived from fusion of embryos differing by nine genetic factors.
D000818:Animals; D002874:Chromosome Mapping; D004622:Embryo, Mammalian; D005799:Genes, Dominant; D005808:Genes, Recessive; D005865:Gestational Age; D006824:Hybridization, Genetic; D051379:Mice; D009030:Mosaicism; D010641:Phenotype; D010858:Pigmentation