Biologists now routinely test for homology between genes in different species. If genes are determined to be homologous, how are they related to each other?
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

If genes are determined to be homologous, it means they share a common ancestor and have diverged over time due to mutations and other processes. Therefore, they are related to each other by descent from a common ancestor. Choices B, C, and D are incorrect as they do not explain the relationship of homologous genes.

Biologists Now Routinely Test for Homology Between Genes in Different