Question

DNA is a nucleic acid involved in heredity, or the passing down of genetic traits from one generation to the next. DNA consists of four different types of nucleotide monomers.

Which part of the nucleotides' structure is responsible for the incredible variation that exists amongst all types of organisms?

Answer 1

The nitrogenous base. There are four different types in a strand of DNA, adenine, thymine, cytosine, or guanine. The specific arrangement of these four bases within the DNA of each organism gives that organism its unique traits