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In guinea pigs, dark hair (D) is dominant over light hair (d) and curly hair (C) is dominant over smooth hair (c). Complete a dihybrid cross for parents with the genotypes: DdCc × DdCc and answer the following in complete sentences.


Describe how you would set up a Punnett square for this cross.

List the likelihood of each possible offspring genotype.

List the likelihood of each possible offspring phenotype.

Verified Answer :

erinkayla98

Genotype likelihoods would be:
DDCC 1/16
DdCc 1/4
DDCc 1/8
DDcc 1/16
DdCC 1/8
Ddcc 1/8
ddCC 1/16
ddCc 1/8
ddcc 1/16

Phenotypes would be:
Dark x Curly 9/16
Dark x Smooth 3/16
Light x Curly 3/16
Light x Smooth 1/16

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