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Verizon [17]
3 years ago
11

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

Biology
2 answers:
max2010maxim [7]3 years ago
7 0

Answer:

A. )  0

Explanation:

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

Tomtit [17]3 years ago
4 0
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)
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