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Chapter 21: Genomes and Their Evolution – Study Notes

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Introduction to DNA-Based Technology

  • Map of DNA-Based Technology Lesson
    03:12
  • Introduction to DNA-Based Technology
    02:30

Genomes

  • Gene Families
    02:06
  • Transposable Elements and Pseudogenes
    03:57
  • Protein Encoding Genes
    02:11

Introduction to DNA-Based Technology

  • Map of DNA-Based Technology Lesson
    03:12
  • Introduction to DNA-Based Technology
    02:30

Genetic Variation

  • Guided course
    Sources of Genetic Variation
    02:16
  • Guided course
    Sexual Reproduction and Recombination
    05:08
  • Guided course
    Mutations
    06:42

Mutations

  • Mutations
    02:29
  • Types of Mutations
    08:44

Genes & Alleles

  • Genes & Alleles Example 1
    02:09
  • Genes & Alleles
    05:02
  • Haploid vs. Diploid Cells
    04:14

Evolution of Populations

  • Guided course
    Evolution of Populations Example 1
    03:33
  • Guided course
    Introduction to Evolution of Populations
    05:14

Natural Selection and Evolution

  • Natural Selection Causes Adaptation
    07:48
  • Adaptation Improves Fitness
    02:57
  • Evolution can Occur Via Natural Selection
    04:32