Download DNA BASE PAIR “Friendship Bracelets” Background: DNA is the

DNA BASE PAIR
“Friendship Bracelets”
Background: DNA is the genetic
instructions that tell cells what
to do and how to do it! In
eukaryotic cells, it is found in
the nucleus, where it is changed
into RNA. In prokaryotic cells
(like the bacteria syphilis from
our movie), it is found twisted in
the center. In DNA, there are
latter-like structures, connected
in the middle by nitrogenous
bases that always make a pair.
As you can see, “A” adenine
always links up with “T”
Thymine. “C” Cytosine always
forms a pair with “G” Guanine.
Follow these directions to make you DNA Base-Pair Bracelet.
Pick one partner and record their name:
____________________________________________
With your partner, pick twelve (12) beads in four different colors. Then, decide
which nitrogenous bases you’d like each color to represent.
Number of Beads
4
Color Selected
Base Represented
Adenine
4
Thymine
4
Guanine
4
Cytosine
Design you bracelet. Line the beads up. Remember – certain letters must line up with
others. Write the color, and first letter (A, C, T, G) in each box.
Your Bead – COLOR/BASE
Example: BLUE/A
Partner’s Bead – COLOR/BASE
Example: ORANGE/T
Bead One:
Bead One:
Bead Two:
Bead Two:
Bead Three:
Bead Three:
Bead Four:
Bead Four:
Bead Five:
Bead Five:
Bead Six:
Bead Six:
Now, have Ms. Bruckler check your work! She will give you and your partner a pipe-cleaner,
and you will add your beads in the correct order to make a bracelet.
Each bracelet should have 8 beads!