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Unformatted text preview: 10/20 Disease transmission o Forensics o Epidemiology Origins of disease o Where did it come from and when Vaccine development Conservation o Species identification Language o Cultural transmission o Human migration o proto language 10/22/09 Speciation o Species concepts Phylogenetics species concept Species are monophyletic Species are not polyphyletic Species are not paraphyletic Biological species concept A species members have sex with each other not others Morphological Species Concept Members of the same species look and behave the same Modes of speciation o Allopatric speciation Allo-other Patric-homeland Separated geographically By : vicariance, barrier. long distance dispersal event Reproductive isolation Post-zygotic isolation Post-after After zygote formed Get: genetic incompatibilities o Dobzhansky-Mulkr epistatic incompatibility Species1:AAbb Species2:aaBB Hybrid:AaBb...
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