Phylogenetics Flashcards
0
Q
What’s the difference between ancestral and derived characters?
A
Ancestral characters have a common ancestor. Derived come from a common environment
1
Q
What types of characters should you use when constructing phylogenetic trees?
A
Homologous
2
Q
What is the out group and why are they important when building phylogenetic trees?
A
They are used to determine what characters are ancestral. They are a taxon that is closely related to the group under study but branched off earlier. They represent ancestral condition.