All About DNA

Here are the websites used to get the information.

http://www.leigh.org/genealogy/DNA/dnarelatives.html 

http://en.wikipedia.org/wiki/DNA#Forensics

http://tc.engr.wisc.edu/UER/uer96/author9/index.html

 http://www.accessexcellence.org/RC/VL/GG/structure.php

http://www.blc.arizona.edu/Molecular_Graphics/DNA_Structure/DNA_Tutorial.HTML

http://nobelprize.org/educational_games/medicine/dna_double_helix/readmore.html

http://www.rothamsted.bbsrc.ac.uk/notebook/courses/guide/dnast.htm

http://porpax.bio.miami.edu/~cmallery/150/gene/DNAdiscovery.htm

http://nobelprize.org/nobel_prizes/medicine/laureates/1962/crick-bio.html