Asked in
Biology
Genetics
Biochemistry

If adenine makes up 20 percent of the bases in a dna double helix what percent of the bases are guanine?

Answer

User Avatar
Wiki User
July 29, 2012 10:54AM

30 %.

Adenine pairs with thymine - therefore if 20% is A, another 20% percent will be T. Only two other bases are left, which form pairs: guanine and cytosine, in equal quantities. Therefore half of the remaining 60 percent will be guanine.