Answer:
10% are A
Explanation:
according to charghaffs rule there is always equality in quantity between A and T bases and G and C bases in DNA.
T = thymine
A = adenine
G = guanine
c = cytosine
from this the molar ratio of a to t is 1 and g,c = 1
G = 40%
so cytosine = 40%
sum of pusine and pyrimidine = 100%
(a+g) + (t+g) = 100%
(a + 40) + (t + 40) = 100%
a+t +80 = 100%
a + t = 100-80
a + t = 20%
a = t, t = a
2a = 20%
a = 20/2
A = 10%
