Taxonomists have a hard time sorting out the phylogenetic connections among colobines in Africa and Asia because
A) there are very few species to compare.
B) they have a very incomplete fossil record.
C) their genetic data has been very hard to collect.
D) it appears that much hybridization has occurred among them in the past.

Question

Quizplus · Accepted Answer

Hybridization can obscure phylogenetic relationships by introducing genetic material from multiple lineages, making it difficult to determine the true evolutionary history of a group.

Taxonomists Have a Hard Time Sorting Out the Phylogenetic Connections