Humans Have Been Applying the Principles of Genetics for Many

Multiple Choice

Humans have been applying the principles of genetics for many years without actually knowing about genes. Evidence for this is that humans ________.

A) have rerouted waterways in order to trade with people in distant regions
B) clear forests to plant crops
C) choose to save seeds from plants with the best yield to plant for the next generation
D) and other species are subject to many of the same diseases