title: The possible role of homeotic genes in the causation of malformations in monozygotic twins.
abstract: It is proposed that the malformations observed to occur with increased frequency in monozygotic twins are similar to the types of malformations caused by mutation in homeotic genes in animals.
mesh_terms: D000818:Animals; D000013:Congenital Abnormalities / Q000209:etiology* / Q000235:genetics; D004195:Disease Models, Animal; D004200:Diseases in Twins; D005801:Genes, Homeobox; D005821:Genetic Techniques; D006801:Humans; D009154:Mutation; D014427:Twins; D014430:Twins, Monozygotic