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Comprehensive Study Guide: Genetics, Evolution, and Diversity in Biology

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Introduction to Meiosis

  • Introduction to Meiosis Example 1
    01:43
  • Meiosis I & Meiosis II
    04:49
  • Introduction to Meiosis
    04:33

Meiosis I

  • Meiosis I
    07:55

Meiosis II

  • Meiosis II
    06:17

Mitosis & Meiosis Review

  • Mitosis & Meiosis Review Example 1
    01:27

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

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

  • Sexual Selection
    06:17
  • Natural Selection
    04:43
  • Natural Selection Example 3
    04:18

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

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

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

Other Species Concepts

  • Other Species Concepts Example 1
    03:42
  • Different Ways to Define Species
    08:17

Allopatric and Sympatric Speciation

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

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

Introduction to Phylogeny

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

Roots and Shoots

  • Phenotypic Plasticity
    06:58
  • Plant Cells Review
    05:29
  • Shoots and Leaves
    05:46

Tissues

  • Epidermal and Ground Tissue
    05:39
  • Ground Tissue Cells
    04:03
  • Vascular Tissue
    06:58

Flowers

  • Flower Anatomy
    04:08
  • Alteration of Generations
    05:18
  • Double Fertilization
    07:44

Seeds

  • Germination
    05:30
  • Embryogenesis
    04:58
  • Fruit
    03:49

Plant Defenses

  • Herbivore Defenses
    05:37
  • Pathogen Defenses
    08:59

Phototropism

  • Photomorphogenesis
    12:53
  • Auxin
    10:46
  • Signal Transduction and Response
    06:56

Tropisms and Hormones

  • Thigmotropism and Cytokinins
    05:19
  • Plant Hormones and Senescence
    08:18
  • Gravitropism
    05:39

Endocrine System

  • Hypothalamus and Pituitary
    03:34
  • Adrenal Glands
    06:17
  • Ovaries and Testes
    02:59

Metabolism and Homeostasis

  • Surface Area to Volume Ratio
    07:47
  • Feedback Regulation
    08:57
  • Homeostasis
    11:49

Negative & Positive Feedback

  • Positive Feedback
    02:19
  • Negative Feedback
    02:41