Additional file 4.

Figure S3. The local centimorgan extent of homozygosity across the genome at the 75th percentile. Homozygous extent values are plotted in centimorgans for the 75th percentile for each sample population. Physical distance (base pairs) was converted into genetic distance (centimorgans) using chromosome arm averaged recombination rates. To reduce the large number of plotted datapoints, we smoothed these values using smooth splines and then down-sampled the predicted values. The y-axis is set dynamically to the highest observed peak for a particular chromosome.

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Johnson et al. Genome Biology 2011 12:R21   doi:10.1186/gb-2011-12-3-r21