title: Rescue of a lethal T/t locus genotype by chimaerism with normal embryos.
mesh_terms: D000818:Animals; D002678:Chimera; D005260:Female; D005804:Genes, Lethal; D006579:Heterozygote; D051379:Mice / Q000196:embryology / Q000235:genetics*; D010641:Phenotype; D013623:Tail / Q000196:embryology