| Study and Review Hint for question 16 Review Section 5.2, Selection. One of the reasons why this is an important example is that it highlights the difference between "evolutionary time" and "human time." It's true that the delta-32 allele will increase in frequency over time as long as it's selectively favored . . . but not that it will do so on a time scale relevant to human lives. The same is, inevitably, true of other evolutionary processes. |