Origin & History: Found in inbred White Leghorn line.Taylor, LW 1972 Canad.J Gen Cytol 14:417-422; received from Crawford in late 1980's.

Breed:White Leghorn background

Symbol: dp-3

Characteristics:Autosomal recessive, embryonic lethal.

Description:Homozygotes display moderate preaxial polydactyly, dwarfing, shortened upper beak and ectopic viscera.