MCAT Question of the Day
    •

    Q:

    		 A genetic pairing of parents both afflicted with the same disease produces many offspring. 1/3 of the offspring are unafflicted while 2/3 are afflicted. Which of the following can be concluded based on this information?

    		 

    A

    		 One parent is a heterozygote; the other parent is a homozygote.

    B

    		 The disease is sex-linked.

    C

    		 The disease is autosomal recessive.

    D

    		 Receiving two copies of the disease gene is lethal.



    Mendelian Concepts |
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