Brown Eye-Color Alleles Are Dominant Over Blue Eye-Color Alleles,which Are

Multiple Choice

Brown eye-color alleles are dominant over blue eye-color alleles,which are recessive.Jenna has brown eyes.Her husband,Bill,has blue eyes.Jenna and Bill are the biological parents of James,who has blue eyes.What eye-color gene alleles must Jenna have?

A) Bb (one brown and one blue allele)
B) BB (two brown alleles)
C) bb (two blue alleles)
D) BBB (three brown alleles)