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What is DNA?
Copyright © 2012 by InteractiveScienceLessons.com
1.Get 1 long red and 1 white pipe cleaner
2.Cut the red into four equal sections
3.Cut the white into four equal sections
Copyright © 2012 by InteractiveScienceLessons.com
1.Get 1 long red and 1 white pipe cleaner
2.Cut the red into four equal sections
3.Cut the white into four equal sections
4.Make a hook at both ends of the red pieces by
bending them around a pencil
5.Do the same for the white pieces
Copyright © 2012 by InteractiveScienceLessons.com
6. Hook the ends of a red and white piece
together; press down to join them
7. Alternate red/white 2x
8. Make another one just like the first
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9. Cut the 4 remaining colors in half.
Take one short (3”) piece.
10. Now choose one another short piece. It can be
the same or different color. You now have 2.
11. Each piece needs a mate: green goes with blue,
and yellow with black. (Teachers-hand out new pieces now)
Copyright © 2012 by InteractiveScienceLessons.com
9. Cut the 4 remaining colors in half.
Take one short (3”) piece.
10. Now choose one another short piece. It can be
the same or different color.
11. Each piece needs a mate: green goes with blue,
and yellow with black.
12. Hook the pieces together
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13. Attach them to a section of red; either one can
go either way
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13. Attach them to a section of red; either one can
go either way
14. Now hook the ends of your DNA chain to those
of the people next to you…
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13. Attach them to a section of red; either one can
go either way
14. Now hook the ends of your DNA chain to those
of the people next to you…
15. and then with the rest of class!
Copyright © 2012 by InteractiveScienceLessons.com
Group 1- You will count the total number of blue/green
pairs in the section of DNA we made. It does not matter
which way the blue and green are oriented.
In this example there are 11 blue/green
pairs.
Group 2- You will count the total number of
yellow/black pairs in our section of DNA. It does
not matter which way the yellow and black are
oriented.
In this example there are 13
yellow/black pairs.
Group 3- You will only count the number of
blue/greens in which the next pair is also
blue/green. It does not matter which way the blue
and green are oriented. A blue/green with a
yellow/black on both sides of it does not count.
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In this example there are 7consecutive
blue/greens.
Group 4- You will count the number of
blue/greens in which the next pair is also
blue/green AND oriented the exact same way.
In this example there are 5 consecutive
blue/greens oriented the same way
Group 5- You will only count the number of
yellow/blacks in which the next pair is also
yellow/black. It does not matter which way the
yellow and black are oriented. A yellow/black with
a blue/green on both sides of it does not count.
In this example there are 10 consecutive
yellow/blacks
Group 6- You will count the number of yellow/blacks
in which the next pair is also yellow/black AND
oriented the exact same way.
In this example there are 5 consecutive
yellow/blacks oriented the same way.
Copyright © 2012 by InteractiveScienceLessons.com
1.Total number of blue/green pairs
2.Total number of yellow/black pairs
3.Number of consecutive blue/green pairs, in either order
4.Number of consecutive blue/green pairs, in exact order
5.Number of consecutive yellow/black pairs, in either order
6.Number of consecutive yellow/black pairs, in exact order
If the number is greater than 75, it’s a girl!
If the number is less than 76, it’s a boy!
Copyright © 2012 by InteractiveScienceLessons.com
1.Total number of blue/green pairs
2.Total number of yellow/black pairs
3.Number of consecutive blue/green pairs, in either order
4.Number of consecutive blue/green pairs, in exact order
5.Number of consecutive yellow/black pairs, in either order
6.Number of consecutive yellow/black pairs, in exact order
Copyright © 2012 by InteractiveScienceLessons.com
45-50 :
51-58 :
59-64 :
65-73 :
74-80 :
81-88 :
89-95 :
< 40 yrs.
41-50 yrs.
51-60 yrs.
61-70 yrs.
71-77 yrs.
78-83 yrs.
> 83 yrs.
1.Total number of blue/green pairs
2.Total number of yellow/black pairs
3.Number of consecutive blue/green pairs, in either order
4.Number of consecutive blue/green pairs, in exact order
5.Number of consecutive yellow/black pairs, in either order
6.Number of consecutive yellow/black pairs, in exact order
Copyright © 2012 by InteractiveScienceLessons.com
45-50 :
51-58 :
59-64 :
65-73 :
74-80 :
81-88 :
89-95 :
< 5’ 0”
5’ 0”
5’ 2”
5’ 5”
5’ 10”
6’ 2”
> 6’ 2”
1.Total number of blue/green pairs
2.Total number of yellow/black pairs
3.Number of consecutive blue/green pairs, in either order
4.Number of consecutive blue/green pairs, in exact order
5.Number of consecutive yellow/black pairs, in either order
6.Number of consecutive yellow/black pairs, in exact order
Copyright © 2012 by InteractiveScienceLessons.com
<56 :
Amber
56-64 :
Blue
65-76 :
Brown
77-89 :
Gray
81-90 :
Green
91-98 :
Hazel
>99
Red
16. Re-stock box- 4 long reds, 4 long whites, 1
short each of the other 4
Copyright © 2012 by InteractiveScienceLessons.com