Embryonically, snakes actually do have limb buds, but they go away as development continues. Snakes actually have the proper homeotic genes to specify limbs, just like humans, insects, and other animals do.
Embryonically, snakes actually do have limb buds, but they go away as development continues. Snakes actually have the proper homeotic genes to specify limbs, just like humans, insects, and other animals do.