'Single gene locus' diaporamas de présentation

How Populations Evolve

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The Origins of Genetic Variation

The Origins of Genetic Variation. Lecture 2-3. Lecture Ideas. Genetic variation is a necessary condition for evolution Variability is achieved through the process of mutation:

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Genes in Pedigrees & Populations Monogenic versus multifactorial inheritance:

Genes in Pedigrees & Populations Monogenic versus multifactorial inheritance: Over 6000 Mendelian characters are known in humans (OMIM databse www.ncbi.nlm.nih.gov/Omim/ Multifactorial trait may involve a small number of loci (oligogenic) or many loci (polygenic)

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Chapter 11

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Chapter 23

Chapter 23. The Evolution of Populations. Key Concepts. 1. Genetic variation makes evolution possible. The Hardy-Weinberg equation can be used to test whether a population is evolving. 3. Natural selection , genetic drift , and gene flow can alter frequencies in a population.

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