MCAT Question of the Day


  • Q:

    Dave and Janet want to start a family. Janet has an X-linked dominant disorder and Dave does not. Which of the following statements does not hold true? Assume that Janet is heterozygous for this trait.

     

    A

    Each female child will have a 50% chance of inheriting the disease

    B

    One of Janet's parents must have had this disorder

    C

    If Dave had this disorder and Janet did not, all of their male children would have had the disorder

    D

    Female and male children each have an equal chance of inheriting the disease



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