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vekshin1
4 years ago
6

Tongue rolling is dominant. A father cannot roll his tongue but a mother can. Of their three children, one daughter and one son

cannot roll her tongue. The other daughter can roll her tongues.
For the Tongue Rolling pedigree, what is the genotype of a tongue roller?

A.RR and rr

B.rr and Rr

C.Rr and RR

D.rr
Biology
1 answer:
astra-53 [7]4 years ago
7 0

Answer:

C. Rr and RR

Explanation:

I believe this is the answer because they said that it was a dominant geen.

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