AS

A2

Classification and phylogeny


Using Cytochrome C to show relatedness



Using DNA to determine evolutionary relationships






Here is a very long documentary to watch on how different molecules support this.


Phylogeny

Using the DNA, RNA and protein information, scientists have built up a tree of life - a map of relatedness. 



Interactive Tree of Life
This link will take you to a tree of life interactive where you can investigate your two favourite organisms and see how related they are. .

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