True-breeding yellow guinea pigs crossed with true-breeding white ones produce only cream-colored offspring.This pattern indicates incomplete dominance.Rough hair is found to be dominant to smooth hair.Select the F1 genotypic and phenotypic ratios of a cross between a smooth,white guinea pig with a homozygous,rough,yellow guinea pig from the following choices.
A) rough cream Yy Rr
B) yellow rough YY R__
C) cream rough Yy R__
D) white rough yy R__
E) cream smooth Yy rr

Question

True-breeding yellow guinea pigs crossed with true-breeding white ones produce only cream-colored offspring.This pattern indicates incomplete dominance.Rough hair is found to be dominant to smooth hair.Select the F1 genotypic and phenotypic ratios of a cross between a smooth,white guinea pig with a homozygous,rough,yellow guinea pig from the following choices.  
A) rough cream Yy Rr
B) yellow rough YY R__
C) cream rough Yy R__
D) white rough yy R__
E) cream smooth Yy rr

Quizplus · Accepted Answer

The Answer of True-breeding yellow guinea pigs crossed with true-breeding white ones produce only cream-colored offspring.This pattern indicates incomplete dominance.Rough hair is found to be dominant to smooth hair.Select the F1 genotypic and phenotypic ratios of a cross between a smooth,white guinea pig with a homozygous,rough,yellow guinea pig from the following choices.  
A) rough cream Yy Rr
B) yellow rough YY R__
C) cream rough Yy R__
D) white rough yy R__
E) cream smooth Yy rr

True-Breeding Yellow Guinea Pigs Crossed with True-Breeding White Ones Produce