When constructing phylogenetic trees, Biologists often adhere to the principle of"maximum parsimony". This means that;Scientists should not include an outgroup when constructing their treesScientists rarely use DNA to construct phylogenetic treesThe phylogenetic tree that is involves the fewest changes is probably correctScientists do not use homologous characteristics in their trees

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Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter23: Principles Of Evolution

Section: Chapter Questions

Problem 5SQ

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When constructing phylogenetic trees, Biologists often adhere to the principle of
"maximum parsimony". This means that;
Scientists should not include an outgroup when constructing their trees
Scientists rarely use DNA to construct phylogenetic trees
The phylogenetic tree that is involves the fewest changes is probably correct
Scientists do not use homologous characteristics in their trees

Expert Solution

definition

phylogenetic tree is a diagram in a form of a tree that shows relationships among species and entities. it is to be noted that similarities and differences are counted and the phylogenetic tree is prepared in a form of flow chart.

while constructing phylogenetic trees ,it is kept in mind that we should follow the path of maximum parsimony that is we should limit our evolutionary steps to minimize the step of the given set of data assigned and making the phylogenetic tree length as small as possible. the topology with the minimum length is known as maximum parsimony tree.

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