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Anthropology5_Prerequisites_for_natural_selection

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Anthro 5 17:59 Prerequisites for Natural Selection:  (1) heritable (2) variation that is (3) associated with differential reproduction Molecular Genetics Goals: 1.Understand the structure of genes 2.Understand how this structure allows them to make precise copies 3.Understand how this structure allows to shape phenotypes Gene Structure Three Elements o Phosphates (invariant)
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Unformatted text preview: o Sugars (invariant) o Bases (variable) • A attaches T, C attaches to G • Base pairing rules follow different electron bonds • Base-pairing rules allow DNA replication o Unzip DNA and have two strands that are identical • The same kind of rules allow DNA to serve as a template for phenotypic instructions. 17:59 17:59...
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