Question 45
Chromosomes, DNA and Sex LinkageWhich of the following nucleotides is not found in the DNA molecule?
- A.Adenine
- B.Cytosine
- C.Guanine
- D.Uracil
Show the answer and explanation
Answer: D (Uracil)
Explanation
DNA contains adenine, thymine, guanine and cytosine. Uracil replaces thymine only in RNA.