MCAT Question of the Day
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    Q:

    		 Horizontal gene transfer occurs when one organism receives genetic material from another organism without being a descendant of the organism. Which of the following describes horizontal gene transfer?
    		 

    A

    		 Cell A is produced by mitosis from Cell B which is produced by mitosis from Cell C. Cell A has genes from Cell C.

    B

    		 Cell A is produced by mitosis from Cell B. Cell A has genes from Cell B.

    C

    		 Cell A and Cell Z are in different kingdoms. Cell Z inserts genes into Cell A.

    D

    		 Cell A and Cell Z are in different kingdoms. The two cells share a gene through ancestral decent.



    Prokaryotes | Viruses |
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