Afather and mother that are both heterozygous dominant for tongue rolling mate. tongue rolling is a dominant trait. answer any just give me a number
1. how many boxes have heterozygous dominant genes
__ out of __
2. how many boxes have homozygous dominant genes?
__ out of __
3. how many boxes have homozygous recessive genes?
__ out of __
4. what is the probability that they will have a child that’s heterozygous dominant

5.what’s the probability that their little boy will be able to roll his tongue?