Question

Being able to roll the tongue is dominant over not being able to roll the tongue.

What is the probability that the offspring will be unable to roll the tongue?
0
2
3
4

Answer 1

Answer: 0
All of the boxes have a big R in them which means the that gene is present. (I can’t remember exact terminology, so this is kinda a simplified explanation, hope it helped)

Answer 2

Answer:

A. )  0

Explanation:

Being able to roll the tongue is dominant trait and all offspring are Rr.