I keep getting “Hardy–Weinberg principle” questions wrong in Evolution. What's the trap?
thinking allele frequencies always drift over time.
The usual trap: thinking allele frequencies always drift over time. How to avoid it: deviations from Hardy–Weinberg equilibrium signal that evolution is happening. Go back to the definition — allele frequencies in a large, undisturbed population stay constant — no evolution.
Key point
Hardy–Weinberg principle
Common mistake
thinking allele frequencies always drift over time.
Memory tip
deviations from Hardy–Weinberg equilibrium signal that evolution is happening.
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