Synapomorphies
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Shared, derived characters.
Pre-mating pre-zygotic
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Divergence in courtship behavior, pheromones
Monophyletic group
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Contains a common ancestor and all of it's descendents.
Post-mating pre-zygotic
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Inability of sperm to fertilize eggs
Homoplasy
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Similarity due to independent evolution of similar traits.
Parsimony
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The hypothesis that involves the fewest evolutionary events is thought to be
the most likely.
Synonymous substitution
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, Mutation in codon sequence that encodes the same amino acid. More
common than non-synonymous substitutions.
Mendelian/saltationist
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Concentrated on large effect mutants and inherited traits
Causes of evolution: non-random mating
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Inbreeding. "Selfing" in plants. Results in excess of homozygotes (AA and
aa).
Directional selection
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If individuals at one extreme have the highest fitness, there is an
evolutionary trend toward that extreme.
Hardy-Weinberg principle
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Shared, derived characters.
Pre-mating pre-zygotic
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Divergence in courtship behavior, pheromones
Monophyletic group
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Contains a common ancestor and all of it's descendents.
Post-mating pre-zygotic
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Inability of sperm to fertilize eggs
Homoplasy
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Similarity due to independent evolution of similar traits.
Parsimony
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The hypothesis that involves the fewest evolutionary events is thought to be
the most likely.
Synonymous substitution
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, Mutation in codon sequence that encodes the same amino acid. More
common than non-synonymous substitutions.
Mendelian/saltationist
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Concentrated on large effect mutants and inherited traits
Causes of evolution: non-random mating
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Inbreeding. "Selfing" in plants. Results in excess of homozygotes (AA and
aa).
Directional selection
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If individuals at one extreme have the highest fitness, there is an
evolutionary trend toward that extreme.
Hardy-Weinberg principle
Give this one a try later!
