File:De Finetti diagram.svg
Original file (SVG file, nominally 500 × 500 pixels, file size: 14 KB)
Summary
| Description |
A De Finetti diagram illustrating the Wahlund effect. Genotype frequencies are given by the edge distances x (for AA), y (Aa) and z (aa). Allele frequencies p and q = 1 - p are determined by the horizontal displacement along the bottom edge connecting aa and AA, scaled by constant factor (1/2)sqrt(3) (the ratio between the height and the base of an equilateral triangle). Also p = x + y/2 and q = y/2 + z. The curved line are the Hardy–Weinberg equilibrium genotype frequencies; points 1 and 2 denote two populations in equilibrium. The genotype frequencies of the combined population are a weighted mean of the subpopulation frequencies, corresponding to a point somewhere on the solid line connecting 1 and 2. This point always has a lower heterozygosity (y value) than the corresponding (in allele frequency p) Hardy-Weinberg equilibrium. |
| Source | File:De finetti diagram.png |
| Author |
SVG: Beao 02:40, 14 November 2009 (UTC) Original raster: אמר Steve Caruso (poll) 23:56, 24 June 2006 (UTC) |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:44, 14 November 2009 | | 500 × 500 (14 KB) | wikimediacommons>Beao | White background and 1:s. |
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