End Show Slide 1 of 24 Copyright Pearson Prentice Hall Biology.
Bio16 speciation
16-1 Genes and Variation In genetic terms, evolution is any change in the relative frequency of alleles in a population. –Gene pool is the combined genetic.
Evolution of Populations. How Common Is Genetic Variation? Many genes have at least two forms, or alleles. Many genes have at least two forms, or alleles.
Evolution Chapter 16 honors. Copyright Pearson Prentice Hall How Common Is Genetic Variation? Many genes have at least two forms, or alleles. All organisms.
16-1 Genes and Variation. How Common Is Genetic Variation? Many genes have at least two forms, or alleles. All organisms have genetic variation that is.
Chapter 16: The Evolution of Populations and Speciation Objectives: Describe two causes of genotypic variation in a population Explain how to compute allele.
