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Problem: In guinea pigs, rough coat (R) is dominant over smooth coat (r). A rough coat-coated guinea pig is bred to a smooth one, giving 8 rough and 7 smooth progeny in the F1 generation. What are the genotypes of the parents?a. Rr x Rrb. RR x rrc. rr x rrd. Rr x rre. RR x Rr

FREE Expert Solution

The cross was between a rough-coated guinea pig and a smooth-coated one. The allele R is dominant to r. Thus, the genotypic cross would be R_ x rr.

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Problem Details

In guinea pigs, rough coat (R) is dominant over smooth coat (r). A rough coat-coated guinea pig is bred to a smooth one, giving 8 rough and 7 smooth progeny in the F1 generation. What are the genotypes of the parents?

a. Rr x Rr

b. RR x rr

c. rr x rr

d. Rr x rr

e. RR x Rr

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