MDCAT Biology MCQ #4543

A couple has a child with a dominant disorder. What is the probability that their next child will also have the disorder?

MDCAT Biology MCQ #4543

  1. Question 1

    Q1. A couple has a child with a dominant disorder. What is the probability that their next child will also have the disorder?

    • A) 25%
    • B) 50%
    • C) 75%
    • D) 100%

    Answer: 50%

    Explanation: 50%: each child has 50% chance of inheriting dominant allele.