What types of characters are most useful for creating phylogenetic trees? Please select all correct answers.Multiple answers:Multiple answers are accepted for this questionSelect one or more answers and submit. For keyboard navigation...SHOW MOREaShared derived characterbSymplesiomorphycSynapomorphydAncestral charactereCharacter matrix
Question
What types of characters are most useful for creating phylogenetic trees? Please select all correct answers.Multiple answers:Multiple answers are accepted for this questionSelect one or more answers and submit. For keyboard navigation...SHOW MOREaShared derived characterbSymplesiomorphycSynapomorphydAncestral charactereCharacter matrix
Solution
The types of characters that are most useful for creating phylogenetic trees are:
a) Shared derived character c) Synapomorphy
These characters are useful because they represent evolutionary changes or traits that are shared among a group of organisms. These shared traits can be used to infer evolutionary relationships and construct a phylogenetic tree.
Shared derived characters (also known as synapomorphies) are traits that are shared by two or more different species and their most recent common ancestor. These traits are considered to be evidence of the common ancestry of the group.
Symplesiomorphies (ancestral characters) are traits that are shared by two or more different species because they were inherited from a common ancestor. However, these traits are not useful for constructing phylogenetic trees because they do not provide information about the most recent common ancestor of a group of species.
A character matrix is a table used in phylogenetic analysis where the rows represent the different species being compared and the columns represent the different characters being compared. While this is a tool used in the process of creating a phylogenetic tree, it is not a type of character.
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