MDCAT Biology MCQ #4496

A couple has a child with a genetic disorder caused by a dominant allele. What is the probability that the next child will have the disorder?

MDCAT Biology MCQ #4496

  1. Question 1

    Q1. A couple has a child with a genetic disorder caused by a dominant allele. What is the probability that the next child will have the disorder?

    • A) 1/2
    • B) 1/3
    • C) 1/4
    • D) 2/3

    Answer: 1/2

    Explanation: Each child has a 50% chance of inheriting the dominant allele.