Question Detail

BIO 201 Genetics 1 Objective Question
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Question

In a trihybrid cross (AaBbCc × AaBbCc) assuming independent assortment and complete dominance, what proportion of the progeny will show the fully dominant phenotype for all three genes?
Options
A 9/64
B 27/64
Correct Answer
C 3/64
D 1/64
Correct Answer

Option B is the correct answer.

Detailed Explanation

For each independent locus, the probability of showing the dominant phenotype is 3/4. For three independent genes: (3/4) * (3/4) * (3/4) = 27/64.

Hint

No hint available

Question Info

Course: BIO 201
Topic: Genetics 1
Type: Objective
Difficulty: Not specified
Question 243 of 285
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