Based on the phylogeny below, does FOXP2 provide an accurate molecular clock for timing of divergence events between mammals and primates, and between humans and chimps?

Question

Quizplus · Accepted Answer

FOXP2 does not provide a reliable molecular clock for timing of divergence events because the changes in amino acids occur at irregular intervals, and cannot be consistently used to estimate divergence times.

Based on the Phylogeny Below, Does FOXP2 Provide an Accurate