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15 Cards in this Set
- Front
- Back
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Neutral theory of evolution |
Most genetic variation due to neutral mutations |
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Problem with neutral theory of evolution |
Differences in generation time, different rates of evolution |
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Slower genes used to compare |
Higher taxa |
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Faster genes used to compare |
Recent divergences |
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Example of slower gene |
SSU rRNA |
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Example of faster gene |
Mitochondrial, intron |
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Mechanisms of gene exchange |
Transformation, conjugation, transduction |
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Clade |
A common ancestral species and all of its descendant species |
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Monophyletic group |
A taxon that is a clade |
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Anagenesis |
Single species evolves into different species |
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Cladogenesis |
One species becomes two species |
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Nodes |
Branch points that identify when cladogenesis has occured |
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Paraphyletic group |
Contains a common ancestor and some but not all of it's descendants |
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Polyphyletic group |
Contains members of several evolutionary lines and not the most recent common ancestor |
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Character states |
Comparison of homologous features |
