title: Limb development. Gene ties arthropods together.
mesh_terms: D000818:Animals; D001181:Arthropods / Q000235:genetics* / Q000254:growth & development; D005075:Biological Evolution; D003445:Crustacea / Q000235:genetics* / Q000254:growth & development; D005121:Extremities / Q000254:growth & development; D018507:Gene Expression Regulation, Developmental; D005801:Genes, Homeobox