Of fingers, toes and penises.
Kondo
T
T
Zákány
J
J
Innis
J W
JW
Duboule
D
D
D000818:Animals; D005075:Biological Evolution; D005121:Extremities / Q000196:embryology; D005801:Genes, Homeobox; D005835:Genitalia / Q000196:embryology*; D018878:Limb Buds / Q000196:embryology*; D051379:Mice