Biologists now routinely test for homology between genes in different species. If genes are determined to be homologous, it means that they are related ________.
A) by descent from a common ancestor
B) because of convergent evolution
C) by chance mutations
D) in function but not structure

Question

Quizplus · Accepted Answer

Homology between genes in different species suggests that they have a common ancestor, and their similarities are due to shared ancestry rather than chance mutations or convergent evolution.

Biologists Now Routinely Test for Homology Between Genes in Different