A toolkit gene du futu nguwu lan tuwandin, sa Darwin's kura ma dǝye tarta lan ground-finch kura nji sawu BMP gene ro, adumaro Kadiso dǝ shinza ba du, Distal-less (Dlx) genes du nglaro bayan tin bawo awu cimaro, adǝ maro ndalimi so du suron gǝrtan.