Biology & Genetics Tools
Fully client-side tools for biology, genetics, and ecology courses. No data is ever sent to a server — everything runs in your browser.
Punnett Square Calculator
Generate monohybrid and dihybrid crosses, calculate offspring genotype and phenotype ratios, and solve genetics probability questions instantly.
Open ToolChi-Square Test Calculator
Perform Chi-Square goodness-of-fit and test of independence. Get degrees of freedom, critical values, exact p-values, and a step-by-step mathematical derivation breakdown.
Open ToolPCR Master Mix Calculator
Calculate dilutions using \(C_1 V_1 = C_2 V_2\), apply overage safety margins for 96-well and 384-well plates, and balance reaction volumes with Nuclease-Free Water.
Open ToolCarrying Capacity Calculator
Model logistic growth curves and determine instantaneous rate of change \(dN/dt\) and future population size \(N_t\) with dynamic overshoot adjustments.
Open ToolAllele Frequency Calculator
Calculate allelic and genotypic frequencies, evaluate Hardy-Weinberg equilibrium bounds, and simulate selection-drift dynamics over multiple generations.
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