MDCAT Biology MCQ #4511

In a pedigree chart, if two parents are carriers of a recessive disorder, what is the probability of their offspring being affected?

MDCAT Biology MCQ #4511

  1. Question 1

    Q1. In a pedigree chart, if two parents are carriers of a recessive disorder, what is the probability of their offspring being affected?

    • A) 25%
    • B) 50%
    • C) 33%
    • D) 66%

    Answer: 25%

    Explanation: Autosomal recessive inheritance pattern, 25% chance of offspring being affected