Multiple choice

There are 15% adenine in a strand of DNA. What percentage is cytosine?

  1. 15%

  2. 70%

  3. 35%

  4. 100%
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

According to Chargaff's rules, Adenine equals Thymine (15% each, total 30%). The remaining 70% is split equally between Cytosine and Guanine (35% each).

Keep practicing — related questions