If many human genes differ in about 10% of their bases from another species' same genes and substitutions occur at an estimated rate of 2% per one million years,then about _____ years have passed since the two species diverged.

Question

Quizplus · Accepted Answer

If substitutions occur at a rate of 2% per million years, then a 10% difference would have taken approximately 5 million years (10% / 2% per million years = 5 million years) since the two species diverged.

If Many Human Genes Differ in About 10% of Their