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A female is born with attached earlobes, which is a recessive phenotype. Which of the following genotypes could her parents have?

a. Rr and RR
b. Rr and rr
c. RR and RR
d. RR and rr

User Ulilicht
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1 Answer

1 vote
The answer is B because if you recross them you get the same answer Rr and rr so the correct answer is B
User Quantium
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