Fonte: http://freepages.genealogy.rootsweb.ancestry.com/~ncscotts/Y-DNA/Miscellaneous/DNA%20Gallery/Human%20with%20DNA%20Shadow.jpg
Fonte: http://freepages.genealogy.rootsweb.ancestry.com/~ncscotts/Y-DNA/Miscellaneous/DNA%20Gallery/DNA%20with%20Features.jpg
Fonte: http://www.gregorybodkin.com/thoughts/wordpress/wp-content/uploads/2008/03/a-dna_b-dna_and_z-dna.png
