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BIOA02H3 (474)
Lecture

Chapter 22: Mechanisms of Evolution (Lecture 2) 03/02/'11

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Department
Biological Sciences
Course
BIOA02H3
Professor
Kamini Persaud
Semester
Winter

Description
BIOA02 Dr. P. Kamini Lecture #18 (video) Chapter 22: Mechanisms of Evolution How is Genetic Variation Maintained within Populations Color due to carotenoids cannot be produced, they are extracted from the environment through eating or through the skin. o Carotenoids are used for the immune system o High levels of carotenoids display a healthy individual Maintenance of Genetic Variation 1. Neutral Mutation: Successful individuals are the ones that pass on their genes the best Alleles that do not affect fitness is a neutral allele 2. Sexual Recombination Combining different genes in many different sequences
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