Go to: http://media.org/biointeractive/click/elephants/dna/index.html And Click on Case Two 3.Click on Technique in the Building a Reference Map…

Go to: http://media.hhmi.org/biointeractive/click/elephants/dna/index.html

And Click on Case Two

3.   Click on Technique in the Building a Reference Map section. 

a.   How does this gel differ from the gels you studied in Case One?