MCAT Question of the Day
    •

    Q:

    		 Two genes are noted for a particular kangaroo population. Kangaroos have gene X dominant, x recessive, and Y dominant, y recessive. How many possible genotypes exist in the F1 generation if an XXYY kangaroo is bred with a xxyy kangaroo?
    		 

    A

    		 1

    B

    		 4

    C

    		 8

    D

    		 16



    Subscribe


    Connect

    Questions? We're here to help!

    Ask Us