Of the following, which is the most current description of a gene?

NetherCraft 0

A) a discrete unit of hereditary information that consists of a sequence of amino acids

B) a DNA – RNA sequence combination that results in an enzymatic product

C) a DNA subunit that codes for a single complete protein

D) a DNA sequence that is expressed to form a functional product: either RNA or polypeptide

E) a unit of heredity that causes formation of a phenotypic characteristic

1 Answer

  • Not A – it is made of DNA, not amino acids

    Not B – it is not made of both DNA and RNA, just DNA

    Not C – Genes very frequently code for protein subunits, not the netire protein

    Not E – One gene by itself is usually not enough to represent an entire phenotype, multiple genes work together to create one

    D is your answer.

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