Khyber Pakhtunkhwa Board > 12th > Biology (Total Videos: 362)

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Chapter 23: Chromosomes And DNA (38 videos)  (Practice Test)
23.1: Chromosomes  (Practice Test)
  1. Types of Chromosomes
  2. Composition of Chromosome
  3. Gametes, Organisms have Number of Chromosomes Specific to their Speci
  4. Gene and Genome, Chromosome, Chromatin
  5. Number and Structure of Chromosome
23.2: Concept of Gene  (Practice Test)
  1. Concept of Gene
  2. Structure of a Gene
  3. What is a Gene
23.3: The Chromosomal Theory of Inheritance  (Practice Test)
  1. The Chromosomal Theory of Inheritance
  2. A Vehicle of Inheritance,Gametes as a Carriers of Genes
  3. Comparison of DNA and RNA
23.4: DNA as the Hereditary Material  (Practice Test)
  1. DNA as Hereditary Material,vehicle
  2. More on DNA as Hereditary Material, vehicle
23.5: DNA Replication   (Practice Test)
  1. Replication of DNA
  2. DNA Replication in Prokaryotes and Eukaryotes
  3. Types of Replication
  4. The Meselson-Stahl Experiment
  5. Mechanism of DNA Replication
  6. More on Mechanism of DNA Replication
23.6: Gene Expression  (Practice Test)
  1. Transcription
  2. Advance Transcription
  3. Advance Transcription
  4. More on Transcription
  5. Post-Transcriptional Modification of mRNA
  6. Translation
  7. Advance Translation,Protein Synthesis
  8. More on Translation
  9. Difference between Translation in Prokaryotes and Eukaryotes
  10. Gentic Code
23.7: Regulation of Gene Expression  (Practice Test)
  1. Methods of Regulation of Gene Expression
  2. Regulation of Gene Expression
  3. Mechanism of Negative Control
  4. Mechanism of Positive Control
23.8: Mutations  (Practice Test)
  1. Mutations
  2. Importance of Mutation
23.9: Diseases Induced by Mutation  (Practice Test)
  1. Chromosomal Mutations
  2. Turner Sydrome
  3. Point Mutaion
 

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