You Perform a Test Cross of the Dihybrid AaBb and Score

question 20

Multiple Choice

You perform a test cross of the dihybrid AaBb and score the phenotypes of 1000 progeny. Assuming independent assortment, how many of the progeny do you expect to display the dominant phenotype for both the A and B genes?

• A)100
• B)200
• C)250
• D)500
• E)750

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