DNA Packaging & Key Experiments | Molecular Basis of Inheritance 🧬 | 12th Biology I NEET 2026 NCERT скачать в хорошем качестве

DNA Packaging & Key Experiments | Molecular Basis of Inheritance 🧬 | 12th Biology I NEET 2026 NCERT

Here’s a *detailed YouTube description* for your topic 👇 *📘 Molecular Basis of Inheritance | Class 12 Biology | NEET 2026 Preparation* In this video, we cover two very important topics from Class 12 NCERT Biology – *Packaging of DNA* and the **early experiments that proved DNA is the genetic material**. 🔹 *Packaging of DNA* How \~2 meters long DNA fits inside the tiny nucleus of a cell Role of histone proteins & nucleosomes (beads-on-string model) Higher-level chromatin organization into solenoid, looped domains, and metaphase chromosome structure 🔹 *Experiments proving DNA as genetic material* *Frederick Griffith’s Transformation Experiment (1928)* – discovery of transforming principle *Avery, MacLeod & McCarty Experiment (1944)* – identified DNA as the genetic material *Hershey–Chase Blender Experiment (1952)* – final confirmation using bacteriophages ✨ These concepts are very important for **NCERT Class 12 Board Exams and NEET 2026**, as direct questions are often asked from this topic. 📌 Watch the video carefully and make notes for quick revision. you can contact us. on mail contactus.biolog@gmail.com