Question Detail
Question
What is the probability that the zygotes of a dizygotic twin will be males? A. 1/2 B. 1/4 C. 1/8 D. 2/4
Correct Answer
Option B is the correct answer.
Detailed Explanation
Dizygotic (fraternal) twins are two separate zygotes. The probability of each zygote being male is 1/2. The probability that both are male is (1/2) * (1/2) = 1/4. The probability of both being female is also 1/4.
Hint
Multiply the individual probabilities.