Among the dihybrid crosses below, which will produce offspring with a 1:1:1:1 genotypic ratio?
A)AA BB × aa bb
B)Aa Bb × Aa Bb
C)Aa Bb × aa bb
D)Aa BB × aa BB
E)AA bb × aa BB

Question

Quizplus · Accepted Answer

C) Aa Bb × aa bb will produce offspring with a 1:1:1:1 genotypic ratio because each parent contributes different alleles for both genes, resulting in four equally possible combinations of alleles in the offspring.

Among the Dihybrid Crosses Below, Which Will Produce Offspring with a 1:1:1:1