Exam 2 - Study Guide - Lemur Movie - Full title: Lemurs...

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Lemur Movie - Full title: Lemurs with John Cleese - Live in Madagascar - Host looking for black and white rough lemurs (Carolina Five) - Facing extinction Population Genetics Why mules, ligers, etc. don’t count - Infertile (can’t reproduce) - 60 recorded births since 1527 4 factors that produce and distribute variation 1. Mutation o Characteristics: Sequence of bases in a gene is altered Random Spontaneous o Causes: Mutagens cause induced mutations X-Rays UV light Specific chemicals (in cigarettes, air pollution, etc.) Food additives Dioxin o Effects: Most don’t do anything (can be lethal, neutral, or beneficial) Can happen spontaneously during cell division Can influence any type of trait must occur in the gametes for evolutionary change – transmission between generations 2. Gene Flow o Gene Flow: Exchange of genes between populations o Level of Operation: At the level of the individual 3. Genetic Drift: o Genetic Drift: Changes in allele frequencies produced by random
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This note was uploaded on 08/29/2011 for the course ANT 2511 taught by Professor Sinelli during the Fall '08 term at University of Central Florida.

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Exam 2 - Study Guide - Lemur Movie - Full title: Lemurs...

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