Heredity & Evolution
This item is included in the following series/curriculum: Physical Anthropology: The Evolving Human
- Grade Level: Senior High (10-12)-Adult
- Subjects: Anthropology
- Produced By: Coast Learning Systems
- Year: 2008
- Country: United States
- Language: English
- Running Time: 30m
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We are all aware that we have inherited certain traits from our parents. How are these inherited characteristics expressed? How do evolutionary processes influence patterns of change in these characteristics? In this video, the mechanisms and patterns of inheritance are introduced. We begin with an overview of Mendel?s principles of inheritance. Modern plant breeders discuss how they still use these principles in the breeding of sweet peas and other plant. The video then introduces polygenic inheritance, mutation, genetic drift, and gene flow. The discovery and the distribution of the CCR5 mutation are discussed as well as gene flow and genetic drift in Chumash Indian populations.