Which controls the instructions that affect an organism's characteristics?

A. The shape of the DNA molecule.
B. The number of chromosomes.
C. The order that nitrogen bases are arranged.
D. The reproduction method of the parents.

1 answer

The correct answer is C. The order that nitrogen bases are arranged.

The order of nitrogen bases (adenine, thymine, cytosine, and guanine) in the DNA sequence determines the genetic instructions for building and maintaining an organism, ultimately influencing its characteristics.