Question

In humans tongue rolling is dominant to the inability to tonunge to if a heterozygous tongue roller and a non roller have a child what are the chances the child will be a non-tongue roller

Answer 1

It is a 75% chance they can roll their tongue. 25% not. So it would be a 1:3 ratio.

Hope this helps!

Answer 2

There is a 50% chance
Hope this helps!