In a Dihybrid Cross for Which the Parental Cross Is

question 117

Multiple Choice

In a dihybrid cross for which the parental cross is AABB × aabb,what proportion of F₂ offspring will be heterozygous for both genes? Assume independent assortment.

• A) 1/4
• B) 1/2
• C) 3/4
• D) All are heterozygotes.
• E) None are heterozygotes.

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