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UP Board Class 12 Biology in Hindi Medium – Molecular Basis of Inheritance

The chapter “Molecular Basis of Inheritance” is a key part of the UP Board Class 12 Biology syllabus and helps Hindi medium students understand how genetic information is stored, transferred, and expressed in living organisms. It forms the foundation of modern genetics and explains the molecular structure and function of DNA and RNA.

Molecular Basis of Inheritance
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This chapter begins with the discovery of DNA as the genetic material and covers important experiments by Griffith, Avery, Hershey, and Chase. Students learn about the structure of DNA proposed by Watson and Crick, along with detailed concepts of replication, transcription, translation, and gene expression.

Key topics such as the genetic code, regulation of gene activity (operon model), mutations, genome organization, and DNA fingerprinting are also discussed. The chapter highlights how genes control traits and how errors in DNA can lead to variations or disorders.

“Molecular Basis of Inheritance” is crucial for board exams and extremely helpful for competitive exams like NEET because of its conceptual and application-based content.