The two polynucleotide chains in DNA are

1. A. discontinuous
2. B. antiparallel
3. C. semiconservative
4. D. parallel.

Attempt this NEET 2007 Biology question free — pick an option to reveal the correct answer and a step-by-step explanation. Then join NEET Mastery Quest to practise 15,000+ PYQ and 2027-syllabus questions.