Which of the following best describes a gene?
A
A gene is a protein that you inherit from your parents.
A gene is a protein that you inherit from your parents.
B
A gene is a portion of a DNA molecule that codes for a protein.
A gene is a portion of a DNA molecule that codes for a protein.
C
A gene is a protein that produces differences in traits.
A gene is a protein that produces differences in traits.
D
A gene is a special type of RNA that codes for a protein.
