http://www.indiana.edu/~ensiweb/connections/genetics/beadproject/tpage.html

G = BlueC = GreenT = RedA = PurplePhosphate= blackDeoxyribose Sugar=clear

Purple

clear

black

C = Green

Deoxyribose Sugar=clearPhosphate= black

A = Purple T = Red

Deoxyribose Sugar=clear

Phosphate= black

Deoxyribose Sugar=clear

G = Blue

Deoxyribose=clear

24

clear clear

black clear

black

Twelve base pairs make a nice single twist of the double helix.

the black