What Part of a Nucleotide Accounts for the Genetic Variation

Question

What part of a nucleotide accounts for the genetic variation between individuals?
A)sugar
B)phosphate
C)base
D)polymerase

Accepted Answer

The base (adenine, thymine, guanine, or cytosine) is the part of the nucleotide that varies and determines the genetic information. Different combinations and patterns of these four bases in DNA sequences account for the diverse genetic traits observed in individuals.