Fertility score per QTL composition.

<p>The proportion of individuals with no sperm (black bars), non-motile sperm (grey bars) and motile sperm (white bars), sorted by the number of markers closest to the main-effect QTLs that individual contained, in any combination. The number of total individuals with that number of QTLs is listed above each bar; individuals missing a genotype for any of the seven markers were not included in this figure.