mdcat logical reasoning MCQ #184

A certain genetic disorder is more prevalent in a population that has a high rate of consanguineous marriages. What is the most likely explanation for this observation?

mdcat logical reasoning MCQ #184

  1. Question 1

    Q1. A certain genetic disorder is more prevalent in a population that has a high rate of consanguineous marriages. What is the most likely explanation for this observation?

    • A) Increased chance of inheriting recessive alleles
    • B) Increased genetic diversity
    • C) Environmental factors associated with consanguinity
    • D) Genetic drift in isolated populations

    Answer: Increased chance of inheriting recessive alleles

    Explanation: Consanguineous marriages increase the likelihood of homozygosity for recessive alleles, many of which are deleterious