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For Students · Mutation–Selection

Mutation–Selection for a food web

Built for students learning it for a class or exam. See the concept move instead of memorizing formulas — and check your homework intuition. Simulate a food web live below — adjust the inputs and watch it respond, right in your browser.

Mutation–Selection BalanceLive

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Selection pushes a favorable allele toward fixation, while mutation keeps feeding the alternative back in. The two forces settle at a mutation–selection balance — which is why harmful alleles never fully disappear from a population. Educational tool.

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Data Inspector

Equilibrium frequency0.043
Directionfalling

Governing equation

Reading this result: Selection pushes the allele up while mutation feeds the alternative back in; they settle at the equilibrium frequency shown.

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Frequently asked questions

Is this good for students?
Yes — this version of "Mutation–Selection for a food web" is framed for students learning it for a class or exam. See the concept move instead of memorizing formulas — and check your homework intuition.
Do I need to install anything?
No. It runs in any modern browser, free, with no account required.