Methods of rooting the tree
{"Image DocumentName": "Methods of rooting the tree", "Image ImageDescription": "There are many rooted trees, one for each branch of this unrooted tree, and all have the same number of changes of state. The number of changes of state only depends on the unrooted tree, and not at all on where the tree is then rooted. Biologists want to think of trees as rooted. \uf0ae need method to place the root in an otherwise unrooted tree. (1) Outgroup criterion. (2) Use a molecular clock.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}