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Two different groups of imaginary schmoos live in geographically separated locations and rarely interbreed. On one occasion, a big-footed white schmoo does mate with a small-footed brown schmoo. Three offspring result: one big-footed brown schmoo and two small-footed brown schmoos.
-If big feet (B) in schmoos is dominant to small feet (b), the genotype of the big-footed white parent schmoo with respect to the foot gene can
A) only be bb.
B) only be BB.
C) only be Bb.
D) either be bb or BB.
E) either be bb and Bb.

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Quizplus · Accepted Answer

The big-footed white schmoo must have the genotype Bb because it produced both big-footed and small-footed offspring, indicating it carries both alleles.

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