A father 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?