MCAT Question of the Day
    •

    Q:

    		 Under what circumstances would 100% of the offspring of a parental cross have a heterozygous genotype?
    		 

    A

    		 Both parents are heterozygous.

    B

    		 One parent is homozygous dominant while the other parent is homozygous recessive.

    C

    		 One but not both parents are heterozygous.

    D

    		 Both parents are homozygous dominant.



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