What Similarities Do You See in the DNA Bases? WARM-UP
Relative Proportions (%) of Bases in DNA
Organism
A
T
G
с
ОО
In a single organism, what do you notice about the
relative proportions of DNA bases?
A and T occur in similar proportions.
T and G occur in similar proportions.
c A and C occur in similar proportions.
G and C occur in similar proportions.
Human
30.9
29.4
19.9
19.8
Chicken
28.8
29.2
20.5
21.5
Grasshopper
29.3
29.3
20.5
20.7
DONE
Sea urchin
328
32.1
17.7
17.3
Wheat
27.3
271
22.7
228
Yeast
31.3
329
18.7
17.1
E coli
24.7
23.6
26.0
25.7
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