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Lecture 25 (Unit 2) The Awesome Power of Genetics: Forward and Reverse Genetics in Model Organisms

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Genes & Alleles

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

Introduction to Mendel's Experiments

  • Why Pea Plants?
    01:58
  • Introduction to Mendel's Experiments
    03:50

Mendel's Experiments

  • Self-Fertilization Experiment: True-Breeding vs. Hybrid Plants
    05:48
  • Mendel's Experiments
    03:02
  • Cross-Fertilization Experiment: Dominant vs. Recessive Alleles
    05:04

Genotype vs. Phenotype

  • Genotype & Phenotype
    06:36
  • Dominant vs. Recessive Alleles
    03:39

Punnett Squares

  • How to Use Punnett Squares
    07:05
  • Punnett Squares
    01:37

Mendel's Laws

  • Mendel's Laws
    01:16
  • Law of Segregation
    03:24
  • Law of Independent Assortment
    06:44

Monohybrid Crosses

  • Monohybrid Crosses Example 1
    03:12
  • Genotypic vs. Phenotypic Ratio
    02:48
  • Monohybrid Crosses
    02:05

Test Crosses

  • Test Crosses
    03:02
  • Steps to Performing a Test Cross
    05:05

Dihybrid Crosses

  • Dihybrid Crosses
    02:37
  • Dihybrid Crosses & Punnett Squares
    03:34

Punnett Square Probability

  • Rule of Multiplication (the AND Rule)
    06:30
  • Rule of Addition (the OR Rule)
    05:58
  • Punnett Square Probability
    03:38

Mutations

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

Introduction to DNA Replication

  • Unwinding the DNA: Topoisomerase, Helicase & SSBs
    05:10
  • Components of DNA Replication
    04:47
  • Origin of Replication
    03:33

Introduction to DNA-Based Technology

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

Introduction to DNA Cloning

  • Introduction to DNA Cloning
    02:25
  • Cloning with Recombinant DNA
    03:41

Steps to DNA Cloning

  • Steps to DNA Cloning
    04:42
  • 1b) Use Ligation Enzymes
    04:58
  • 1a) Use Restriction Enzymes
    03:27

Introduction to Polymerase Chain Reaction

  • Introduction to Polymerase Chain Reaction
    01:31
  • Components of a Polymerase Chain Reaction
    05:57
  • Why do we use PCR?
    02:53

The Steps of PCR

  • 1) Denaturation
    03:33
  • 2) Annealing
    02:56
  • The Steps of PCR
    04:39

Gel Electrophoresis

  • Gel Electrophoresis
    07:58
  • Gel Electrophoresis Example 1
    02:34

Introduction to Evolution and Natural Selection

  • Introduction to Evolution and Natual Selection Example 1
    03:22
  • Introduction to Evolution and Natual Selection Example 2
    04:28
  • Typological vs. Population Thinking
    03:56

Natural Selection

  • Natural Selection Example 2
    05:11
  • Natural Selection: Observations and Inferences
    04:12
  • Natural Selection Example 1
    02:19

Evidence of Natural Selection

  • Natural and Artificial Selection
    03:41
  • Evidence of Natural Selection Example 1
    02:28
  • Evidence of Natural Selection
    04:25

Evidence of Evolution

  • Types of Homologies
    04:46
  • Evidence of Evolution Example 1
    02:27
  • Fossils
    06:11

Introduction to Prokaryotes

  • Introduction to Archaea
    04:39
  • Prokaryotic & Eukaryotic Cells
    05:54
  • Features of Bacterial Cells
    03:54

Prokaryotic Cell Structure

  • Functions of Pili
    01:46
  • Pili
    01:02
  • Endospores
    05:35

Introduction to Eukaryotic Organelles

  • Introduction to Eukaryotic Organelles
    03:45
  • Ribosomes
    06:51
  • Map of the Lesson on Eukaryotic Organelles
    02:43

Prokaryotic Reproduction

  • Transduction
    06:49
  • Bacterial Transformation
    03:06
  • Plasmids
    04:44

Introduction to Eukaryotic Gene Regulation

  • Map of Eukaryotic Gene Regulation
    04:22
  • Introduction to Eukaryotic Gene Regulation
    03:47

Introduction to Cell Division

  • Asexual vs. Sexual Reproduction
    04:45
  • Introduction to Cell Division
    09:40
  • Importance of Cell Division
    03:19