title: Pattern formation and developmental mechanisms.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D019521:Body Patterning; D002453:Cell Cycle / Q000235:genetics; D016923:Cell Death / Q000235:genetics; D019070:Cell Lineage / Q000235:genetics; D005314:Embryonic and Fetal Development; D018392:Genomic Imprinting; D006801:Humans; D009420:Nervous System / Q000196:embryology; D063245:Plant Development; D010944:Plants / Q000196:embryology; D012732:Sex Determination Analysis