Class 12 · Botany

Molecular Basis of Inheritance

24 topics — from The DNA through DNA FIngerprinting. Expect about 5 questions in NEET — roughly 20 of 720 marks.

Updated 25 Aug 2026 24 topics Botany · Class 12
In short

Molecular Basis of Inheritance is a Class 12 Botany chapter covering 24 topics. Expect about 5 questions in NEET — roughly 20 of 720 marks.

24
Topics
In this chapter
5
Expected questions
≈ 20 of 720 marks
12
Class
Botany
97
Chapters in the syllabus
22 in Botany

Topics covered #

24 topics, in teaching order.

  1. The DNA
  2. DNA Double Helix
  3. Search for Genetic Material: I
  4. Search for Genetic Material: II
  5. DNA vs RNA as Genetic Material
  6. DNA Replication: I
  7. DNA Replication: II
  8. DNA Replication: III
  9. DNA Packaging
  10. Solved Problems
  11. Transcription: I
  12. Transcription: II
  13. Transcription: III
  14. Transcription: IV
  15. Genetic Code: I
  16. Genetic Code: II
  17. Genetic Code: III
  18. Translation
  19. Translation: Machanism
  20. Gene Regulation: Intro
  21. Gene Regulation: Lac Operon
  22. Gene Regulation in Eukaryotes
  23. Human Genome Project
  24. DNA FIngerprinting

Weightage #

Expect about 5 questions in NEET — roughly 20 of 720 marks.

5 of 180 questions · 20 of 720 marks
This chapter's share of the paper. Weightage is indicative — it reflects how many questions have typically come from here, not a guarantee for any single year.

Practise this chapter #

Reading it once is not the same as being able to answer it under time.

Practice questionsChapter-wise MCQs with solutions Video lecturesTopic-by-topic walkthroughs Chapter testExam-format, timed NEET previous-year questionsPast questions from this chapter AIIMS previous-year questionsOlder AIIMS papers, same syllabus

Next in Botany

← PreviousPrinciples of Inheritance and Variation

Frequently asked #

How many questions come from Molecular Basis of Inheritance in NEET?
About 5 questions — roughly 20 of the 720 marks available. It is a Class 12 Botany chapter.
What topics does this chapter cover?
24 topics — from The DNA through DNA FIngerprinting. The full list is above.
Where can I practise Molecular Basis of Inheritance?
Chapter-wise MCQs, video lectures, a timed chapter test, and both NEET and AIIMS previous-year questions — all linked above.