[Answer] Of the following which is the most current description of a gene?A) a unit of heredity that causes formation of a phenotypic characteristicB) a DNA subunit that codes for a single complete proteinC) a DNA sequence that is expressed to form a functional product: either RNA or polypeptide D) a DNA—RNA sequence combination that results in an enzymatic productE) a discrete unit of hereditary information that consists of a sequence of amino acids