A Punnett square incorrectly predicts the outcome of a dihybrid cross. There are four phenotypes in the F2 offspring, but not in the expected ratios. Why?
a) The genes are not linked.
b) Multiple genes control each trait.
c) The genes are partially linked.
d) The genes are completely linked.

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the offspring would all be white. if the parents are both white flowers then they have the genotype rr, which when crossed results in an all white punnet square.

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