in a cladogram, when does a group of organisms branch off? when a new trait evolves when an ancestor becomes…

in a cladogram, when does a group of organisms branch off? when a new trait evolves when an ancestor becomes extinct when it is discovered when it becomes large enough
Answer
Answer:
A. when a new trait evolves
Brief Explanations:
In a cladogram, branching occurs with trait - evolution. New traits mark divergence from a common ancestor.