Question

Give four specific counter examples for why each of the following definitions for a gene are incorrect. For each definition, there may be several possible counter examples. For full credit, each counter example should be distinct. For example, if a friend of yours claimed that "a gene is all the DNA sequences that determine an inherited trait", you could reply: "No, that is incorrect, because multiple genes will often determine an inherited trait."A. "A gene is a sequence of nucleotides from a start codon to a stop codon."B. "A gene is a sequence of nucleotides that codes for a functional protein."C. "A gene is a sequence of nucleotides that codes for an RNA molecule (which may be translated)."D. "A gene is the entire DNA sequence that affects the production of a protein."

Answer 1

Answer:

The correct answer is D A gene is the entire DNA sequence that affects the production of a protein.

Explanation:

A gene cannot be the entire DNA sequence because an entire DNA sequence contain both coding part or exons and non coding parts or introns.

  But according to the defination of the gene we know a gene is all the DNA molecules that encodes that primary gene product which may be either RNA or protein.

   Gene sequence does not includes non coding parts or introns.