Lecture - 8 MOLECULAR BASIS OF INHERITANCE | By Dr Rajesh Sir скачать в хорошем качестве

Lecture - 8 MOLECULAR BASIS OF INHERITANCE | By Dr Rajesh Sir

Biology / Biotechnology Lecture By Dr. Rajesh Tokriya, Lecturer, Department of Biotechnology, Govt. Holkar (Model) Autonomous Science College, Indore. Welcome to this comprehensive Biology lecture on Molecular Basis of Inheritance, a high-weightage chapter of Class 12, prepared strictly according to NCERT. This lecture is specially designed for NEET, Class 12 All Board Exams (CBSE, MP Board & Other State Boards) and all competitive exams after 12th Biology such as PNST, B.Sc. Entrance, Paramedical & Life Science Exams. Packaging of DNA Helix (NEWLY ADDED & DETAILED) A. Chemical Components Involved Histone proteins Lysine (basic amino acid) Arginine (basic amino acid) B. Structural Levels of DNA Packaging Histone Octamer 2 × H2A, 2 × H2B, 2 × H3, 2 × H4 Nucleosome (DNA + histone octamer) Solenoid Model (30 nm fiber) C. Chromatin Types Euchromatin Lightly stained Transcriptionally active Heterochromatin Darkly stained Transcriptionally inactive D. DNA Packaging Comparison Packaging of DNA in Prokaryotes Packaging of DNA in Eukaryotes III. Central Dogma of Molecular Biology Central Dogma (DNA → RNA → Protein) IV. Gene Expression & Flow of Genetic Information DNA Replication Semi-conservative nature Meselson and Stahl experiment Transcription Translation (Protein synthesis) Reverse Transcription 📚 Why Watch This Video? • Extremely important for NEET PYQs • Explained in simple, exam-oriented language • Clear concepts with NCERT line-based explanation • Helpful for NEET, Class 12 Boards, & B.Sc. entrance exams 🎯 Useful For: NEET, Class 12 All Board Exams (CBSE, MP Board & other State Boards) and all competitive exams after 12th Biology such as , B.Sc. Entrance, Paramedical & Life Science Exams. NEET aspirants | Class 12 Biology students | Biotechnology & Life Science learners. #PackagingOfDNA #DNAHelixPackaging #HistoneProteins #Lysine #Arginine #HistoneOctamer #Nucleosome #SolenoidModel #Euchromatin #Heterochromatin #MolecularBasisOfInheritance #NEETBiology #ChargaffRule #BaseRatio #PhosphodiesterBond #DNAStability #Polynucleotide #PolynucleotideFormation #PolynucleotideChain #JoiningOfPolynucleotide #ComplementaryBasePairing #DNAHelix #DNADoubleHelix #WatsonAndCrick #WatsonCrickModel #XRayCrystallography #DNAStructure #CentralDogmaOfMolecularBiology #DNAReplication #Transcription #Translation #ReverseTranscription #GeneticsForNEET #Class12Biology #NCERTBiology #NEETPreparation #NEET2025