By mapping a given trait on a phylogenetic tree that we have already constructed using other data, we can
A) generate hypotheses about when and how this trait evolved.
B) create a pedigree for the trait.
C) test for polytomies in this trait.
D) confirm the presence or absence of this trait in species for which we are lacking observational data.

Question

Quizplus · Accepted Answer

By mapping a trait on a phylogenetic tree, we can hypothesize about its evolution, including when it may have first appeared and how it may have been modified over time. This can provide insights into evolutionary relationships between species and the selective pressures that may have influenced trait development.

By Mapping a Given Trait on a Phylogenetic Tree That