MCAT Question of the Day
    •

    Q:

    		 A disease is studied in one family of patients and it is found that if fathers have the disease but the mothers do not, it is never passed down to sons. Which of the following holds true?
    		 

    A

    		 the disease can only be X-linked dominant

    B

    		 the disease can only be X-linked recessive

    C

    		 the disease can be either X-linked dominant or X-linked recessive

    D

    		 the disease is autosomal recessive



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