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Unit 3 Study Guide: Genetics, Molecular Biology, and Evolution

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Introduction to DNA Replication

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

Central Dogma

  • Central Dogma
    05:45

Introduction to Transcription

  • Overview of Transcription
    07:44
  • Introduction to Transcription
    05:51

Steps of Transcription

  • 3) Termination of Transcription
    02:44
  • 1) Initiation of Transcription
    04:16
  • 2) Elongation of Transcription
    04:01

Introduction to Types of RNA

  • Introduction to Types of RNA
    07:20

Introduction to Translation

  • Ribosomal tRNA Binding Sites
    06:16
  • Ribosome Subunits
    08:42
  • Introduction to Translation
    06:12

Steps of Translation

  • 2) Elongation of Translation
    04:59
  • 3) Termination of Translation
    02:16
  • 1) Initiation of Translation
    05:03

Introduction to Regulation of Gene Expression

  • Positive vs Negative Gene Regulation
    02:17
  • Introduction to Regulation of Gene Expression
    06:40

Prokaryotic Gene Regulation via Operons

  • Inducible Operons
    04:25
  • Prokaryotic Gene Regulation via Operons
    00:53
  • Repressible Operons
    03:42

Introduction to Eukaryotic Gene Regulation

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

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

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 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

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

Dihybrid Crosses

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

Incomplete Dominance vs. Codominance

  • Codominance
    02:59
  • Codominance & Blood Type
    05:15
  • Incomplete Dominance
    03:09

Sex-Linked Inheritance

  • X-Linked Recessive Pedigrees
    03:42
  • Sex-Linked Inheritance
    04:17
  • X-Linked Recessive Disorder: Hemophilia Inheritance
    04:37

Pedigrees

  • How to Read Pedigrees
    03:21
  • Pedigrees
    02:36

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

DNA Fingerprinting

  • Short Tandem Repeats (STRs)
    03:41
  • DNA Fingerprinting
    03:30

Introduction to DNA Sequencing

  • Introduction to DNA Sequencing
    02:13
  • Dideoxy Nucleotides
    05:12

Genetics and Allele Frequencies

  • Allele Frequencies
    06:36
  • Mendelian and Population Genetics
    04:26
  • Genetics and Allele Frequencies Example 1
    02:56

The Hardy-Weinberg Principle

  • Predicting Allele or Genotype Frequencies Using Hardy-Weinberg
    03:31
  • Testing if a Population is in Hardy-Weinberg Equilibrium
    08:26
  • B. Calculating Allele Frequency from a Genotype Frequency
    03:20

Assumptions of the Hardy-Weinberg Principle

  • Five Assumptions of Hardy-Weinberg Equilibrium
    06:16
  • Assumptions of the Hardy-Weinberg Principle Example 1
    04:13

Natural Selection and Evolution

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

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

History of Evolutionary Thought

  • Geological Thinking
    04:22
  • History of Evolutionary Theory Example 1
    02:45
  • Darwin and Wallace
    07:37

Natural Selection

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

Evolution of Populations

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

Genetic Variation

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

Genetic Drift

  • Genetic Drift Example 1
    02:00
  • Genetic Drift Example 2
    02:37
  • Genetic Drift
    05:06

Gene Flow

  • Gene Flow Example 1
    04:34
  • Gene Flow
    01:43

Introduction to Speciation

  • Introduction to Speciation
    03:03

The Biological Species Concept

  • The Biological Species Concept Example 3
    02:15
  • Prezygotic Barriers
    05:18
  • The Biological Species Concept Example 1
    01:27

Allopatric and Sympatric Speciation

  • Allopatric and Sympatric Speciation
    02:46
  • Allopatric and Sympatric Speciation Example 1
    04:25
  • Allopatric Speciation
    03:53

Adaptive Radiation

  • Developmental Genes & Regulation
    06:12
  • Cambrian Explosion
    05:10
  • Adaptive Radiation Example 1
    06:17

Introduction to Phylogeny

  • Binomial Nomenclature
    02:32
  • Systematics
    06:57
  • Introduction to Phylogeny Example 1
    01:31

Phylogeny

  • Phylogeny Example 3
    04:12
  • Parts of a Phylogenetic Tree
    05:16
  • Phylogeny Example 1
    06:11

Building Phylogenetic Trees

  • Shared Derived Characters
    05:42
  • Parsimony
    06:46
  • Building Phylogenetic Trees Example 1
    04:35