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Evolutionary biology - Coggle Diagram

- - - - From the Altai Mountains of Siberia
    - - From the Vindija Cave in Croatia
- - - - Denisovans
      - Neanderthals
      - Neandersovans
    - - More than half a million years ago
    - - Neandersovan immigrants came to Eurasia sometime after 1.85 Ma ago
- - - - Populations and combinations
        
        X - African population
        
        Y - European population
        
        N - Neanderthals
        
        D - Denisovans
        
        S - unsampled ‘superarchaic’ population
    - - Nucleotide site patterns
        
        xyn
        
        Random nucleotides from populations X, Y, and N carry the revived allele, but those sampled from other populations are ancestral
        
        Site pattern probabilities
        
        Can be calculated from models of population history
        
        Frequencies can be estimated from data
        
        Legofit software estimates parameters by fitting models to these relative frequencies