Which of the crosses listed below will give a 1:1:1:1 genotypic ratio in the F₁ generation? Assume independent assortment. A) AABB × aabb B) AaBb × AaBb C) AaBb × aabb D) AaBB × aaBB E) AAbb × aaBB

Question

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Cross C (AaBb × aabb) will result in a 1:1:1:1 genotypic ratio in the offspring because each parent contributes alleles that can combine to produce four different genotypes (AaBb, Aabb, aaBb, aabb) in equal proportions, assuming independent assortment of the A and B genes.

Which of the Crosses Listed Below Will Give a 1:1:1:1