How does DNA differ from person to person?

1 Answer
Dec 11, 2015

Single nucleotide polymorphisms (SNPs) are common point mutations in the human genome.


Single nucleotide polymorphisms occur frequently throughout our DNA. They are point mutations where a single nucleotide has been changed. A majority are silent mutations and have no effect.
Some of these mutations do have effects however, and can vary from causing differences in height to eye color to increasing risk for particular diseases.