Question

In humans, being a tongue roller (R) is dominant over non-roller (r). If both parents are heterozygous for tongue rolling. What is the probability of producing a heterozygous tongue roller child?

Answer 1

50%

Step-by-step explanation:

This is because the Father will have Rr and the mother RR that being said if you do a chart you will find out it is 50%

R RR RR

r Rr Rr