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 :

Answer:

50%

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