Figure 4 – The genetic load at UCEs of six pink pigeons calculated using cross-mapped chCADD scores. Correlogram showing the total load of potential offspring between six individuals of the captive pink pigeon population. The colour of the tile is relative to the load of the offspring when compared to other potential offspring, and it is ranked on a gradient from high load (red) to low load (blue).(A) genetic load of the offspring between two potential parents, (B) realised load and (C) masked load.(D) The genetic load (grey), realised load (blue) and masked load (orange) of the hypothetical offspring of all possible crosses (including “selfing”). (E) The distribution of total realised load in the offspring generation calculated by crossing all individuals at random. In this procedure, each individual was crossed twice without self-mating or repeating the same crosses, and this was repeated 10,000 times. The optimal crossing combination is shown in blue.