Chromosomes And DNA

Punjab Board > Class 12 > Biology (Total Videos: 457)

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Chapter 20: Chromosomes And DNA (44 videos)   (Practice Test)
20.1: Chromosomes
  1. Gametes, Organisms have Number of Chromosomes Specific to their Speci
20.2: Types of Chromosomes  (Practice Test)
  1. Gene and Genome, Chromosome, Chromatin
  2. Types of Chromosomes
  3. Number and Structure of Chromosome
20.3: Composition of Chromosome  (Practice Test)
  1. Composition of Chromosome
20.4: The Chromosomal Theory of Inheritance  (Practice Test)
  1. The Chromosomal Theory of Inheritance
20.5: DNA as Hereditary Material  (Practice Test)
  1. A Vehicle of Inheritance,Gametes as a Carriers of Genes
  2. DNA as Hereditary Material,vehicle
  3. More on DNA as Hereditary Material, vehicle
  4. Mononucleotide
  5. Nucleotide and Polynucleotide
  6. Comparison of DNA and RNA
  7. Significance of Base Squence
  8. Watson-Crick Model of DNA
  9. Watson-Crick Model of DNA
  10. Types of Replication
  11. Replication of DNA
  12. DNA Replication in Prokaryotes and Eukaryotes
  13. The Meselson-Stahl Experiment
  14. Mechanism of DNA Replication
  15. More on Mechanism of DNA Replication
20.6: What is a Gene?  (Practice Test)
  1. What is a Gene
  2. Concept of Gene
  3. Structure of a Gene
  4. Genes and Enzymes
  5. Experiment of Beadle and Tatum on Neurospora
  6. One-Gene/ One-Polypeptide
  7. How Does the DNA of Chromosome work?
20.7: Cells Use RNA to Make Protein  (Practice Test)
  1. Types of RNA
  2. Transcription
  3. Advance Transcription
  4. Advance Transcription
  5. More on Transcription
  6. Post-Transcriptional Modification of mRNA
  7. Difference between Translation in Prokaryotes and Eukaryotes
20.8: Gentic Code  (Practice Test)
  1. Gentic Code
20.9: Translation  (Practice Test)
  1. Translation
  2. Advance Translation,Protein Synthesis
  3. More on Translation
20.10: Mutations  (Practice Test)
  1. Mutations
  2. Importance of Mutation
  3. Chromosomal Mutations
  4. Turner Sydrome
  5. Point Mutaion