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Principles of Evolution, Ecology and Behavior

Lecture 2: Basic Transmission Genetics

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Principles of Evolution, Ecology and Behavior (EEB 122)

Genetic transmission is the mechanism that drives evolution. DNA encodes all the information necessary to make an organism. Every organism's DNA is made of the same basic parts, arranged in different orders. DNA is divided into chromosomes, or groups of genes, which code for proteins. Asexually reproducing organisms reproduce using mitosis, while sexually reproducing organisms reproduce using meiosis. Both these mechanisms involve duplication of DNA, which then gets passed to offspring. RNA is a key component in the duplication of DNA.

00:00 - Chapter 1. Introduction
01:29 - Chapter 2. Structure of DNA and Genetic Material
12:51 - Chapter 3. DNA Replication and Its Implications
25:56 - Chapter 4. Mendel's Laws
33:08 - Chapter 5. Mutations and Their Consequences

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2009.

Course Description :

The Nature of Evolution: Selection, Inheritance, and History - Basic Transmission Genetics - Adaptive Evolution: Natural Selection - Neutral Evolution: Genetic Drift - How Selection Changes the Genetic Composition of Population - The Origin and Maintenance of Genetic Variation - The Importance of Development in Evolution - The Expression of Variation: Reaction Norms - The Evolution of Sex - Genomic Conflict - Life History Evolution - Sex Allocation - Sexual Selection - Species and Speciation - Phylogeny and Systematics - Comparative Methods: Trees, Maps, and Traits - Key Events in Evolution - Major Events in the Geological Theatre - The Fossil Record and Life's History - Coevolution - Evolutionary Medicine - The Impact of Evolutionary Thought on the Social Sciences - The Logic of Science - Climate and the Distribution of Life on Earth - Interactions with the Physical Environment - Population Growth: Density Effects - Interspecific Competition - Ecological Communities - Island Biogeography and Invasive Species - Energy and Matter in Ecosystems - Why So Many Species? The Factors Affecting Biodiversity - Economic Decisions for the Foraging Individual - Evolutionary Game Theory: Fighting and Contests - Mating Systems and Parental Care - Alternative Breeding Strategies - Selfishness and Altruism

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