Question
In a phylogenetic tree, shared ancestral characters are shared by all members of the tree while...
In a phylogenetic tree, shared ancestral characters are shared by all members of the tree while derived characters evolved later and are shared by only some of them. True or False
Answers
True
The given fact is true regarding the phylogenetic tree.
In a phylogenetic tree, shared ancestral characters are shared by all members of the tree while derived characters evolved later and are shared by only some of them.
An ancestral character is shared with the species ancestral to more than one group: it can lead to different groups being classified together. A shared derived character is sharedby the ancestral species and a single group: it is the only reliable guide to inferring phylogeny.
shared character is one that two lineages have in common, and a derived character is one that evolved in the lineage leading up to a clade and that sets members of that clade apart from other individuals. Shared derived characters can be used to group organisms into clades.
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