Very similar suggesting recent shared ancestry

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Reference no: EM133932916

Question

1. To humans, alligators and crocodiles look very similar suggesting recent shared ancestry. How might you explain the relatively large difference observed between crocidiles and alligators compared to other species "pairs" on the table.

2. One assumption in this analysis is that the frequency of change (mutation rate) is constant in all lineages. What would the consequence be if the frequency of change was very different in one of the lineages? Would this method of analysis give valid results? Explain your reasoning.

Reference no: EM133932916

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