[El Gato]

Having 5 fingers is a recessive gene, the dominant is a smaller sixth between the ring and pinky fingers.

That's strange. Most animals have very simlar bone structures, and have five digits or at least the corresponding bones. Check your dog or cat's front feet for example. Take into account that they walk on the tips of their toes (corresponding to our fingers)

[Seven Minute Maniac]

thats why the dominant trait is virtually non existant, its the same as when 2 blue eyed people have kids, all of their kids have blue eyes.

[Dan Evans]

"Having 5 fingers is a recessive gene, the dominant is a smaller sixth between the ring and pinky fingers." That's strange. Most animals have very simlar bone structures, and have five digits or at least the corresponding bones.

I read once that there is a town in England where a large fraction of the population has six fingers.