DNA does not have -
1. Adenine
2. Thymine
3. Cytosine
4. Uracil

HINT: DNA contains A, T, G and C.

Explanation: 

STEP 1: Deoxyribonucleic acid is a molecule composed of two polynucleotide chains that coil around each other to form a double helix carrying genetic instructions for the development, functioning, growth and reproduction of all known organisms and many viruses. 

STEP 2: DNA contains the following four bases : 

(a) adenine (A)      (b) thymine (T)
(c) guanine (G)      (d) cytosine (C)

It does not contain uracil.