Founder Effect Calculator

Calculate the genetic consequences of founding events when a small group colonizes a new area.

Founder Event Parameters

Number of Founders

Source Population Size

Source Allele Frequency

Source Heterozygosity

Generations to Model

Growth Rate (λ)

Var(p) = p(1-p) / 2n

Expected: 0.3

SD: ± 0.1025

95% CI: [0.0992, 0.5008]

Probability of Loss0.079792%

Probability of Fixation0.000000%

Het. After Founding0.4750

Immediate Het. Loss5.00%

Final Heterozygosity0.2844 (56.88%)

Effective Founders10.00

Inbreeding Coefficient0.0500

Expected Alleles Retained8.8/10

Final Population1,170