Genetic Code | Codons Stop Start Codons Wobble Hypothesis | NEET Class 12 | Neela Bakore Tutorials

◀ PREVIOUS VIDEO (16/26): Transcription    • Transcription | Template Strand RNA Polyme...   ▶ CURRENT VIDEO (17/26): Genetic Code    • Genetic Code | Codons Stop Start Codons Wo...   ▶ NEXT VIDEO (18/26): Translation – Part 1    • Translation Part 1 | Ribosomes tRNA Activa...   🔗 Full Playlist:    • Плейлист   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ The language of life — Genetic Code! This video covers all properties of the genetic code and the types of codons tested heavily in NEET. 📌 Topics Covered: • What is the Genetic Code? Triplet codons • Total codons: 64 (61 sense + 3 nonsense/stop) • Start codon: AUG (codes for Methionine / f-Met in prokaryotes) • Stop codons: UAA, UAG, UGA (Ochre, Amber, Opal) • Properties of Genetic Code: Triplet, Non-overlapping, Comma-less Degenerate (redundant) — multiple codons for same amino acid Unambiguous — one codon = one amino acid Universal (with minor exceptions) Non-ambiguous, Ordered • Wobble Hypothesis (Crick) — flexibility in 3rd position of codon • NEET MCQ on genetic code ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Transcript with Timestamp 0:00 Central dogma recap: DNA → mRNA → protein 1:33 Genetic code: triplet codons proposed by George Gamow 2:56 Experimental support: Khorana, Nirenberg, Ochoa 5:06 4 × 4 × 4 = 64 total codons 7:25 61 code for amino acids; 3 are nonsense (stop) codons 9:24 Feature 2: Non-ambiguous — each codon codes for only one amino acid 10:20 Feature 3: Universal — same code in all organisms 11:02 Feature 4: Comma-less — read continuously, no gaps 11:50 Feature 5: Non-overlapping — each nucleotide belongs to one codon only 13:09 Feature 6: AUG — dual role (start codon + codes for methionine) 14:02 Feature 7: Stop codons — UGA (Opal), UAA (Ochre), UAG (Amber) 16:37 Feature 8: Degenerate — one amino acid can be coded by multiple codons ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Amazon Brand Store at https://www.amazon.in/neelabakoretuto.... Complete Study Notes (11th and 12th) are available at: https://amzn.to/3K4Li7k Complete Study Notes for 12th are available at: https://amzn.to/3PRhWjm Complete Study Notes for 11th are available at: https://amzn.to/4uw1hBa The study notes for this unit Genetics & Evolution are available at https://amzn.to/2Sh27jW The study notes for other units: - Diversity in Living World - https://amzn.to/3r8qkyH Structural Organisation in Plants and Animals - https://amzn.to/3r2cxmZ Cell: Structure and Functions - https://amzn.to/2GPagcm Plant Physiology - http://amzn.to/2EZR5HS Human Physiology - http://amzn.to/2DA46ea Reproduction - https://amzn.to/2wu43eS Biotechnology - http://amzn.to/2EZyqf9 Biology in Human Welfare https://amzn.to/4dPRZd7 Ecology https://amzn.to/3RwuOvF ____________________________________________ For business inquiries: abhibakore@gmail.com ___________________________________________ #GeneticCode #Codons #StopCodon #WobbleHypothesis #NEETBiology #MolecularBasisOfInheritance #Class12Biology #neelabakoretutorials