What Is the Probability for the Possible Phenotypes That Result

question 31

Multiple Choice

What is the probability for the possible phenotypes that result from the cross of two heterozygous parents (Aa and Aa) ? (The A allele is for normal pigmentation, and the a allele is for albinism.)

• A) 25% normal pigmentation; 75% albino
• B) 50% normal pigmentation; 50% albino
• C) 75% normal pigmentation; 25% albino
• D) 100% normal pigmentation

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