Figure 9.

Response to 14 generations of selection on the wing shape index. Two replicate populations were selected up, and two were selected down. Wings of female flies from an up-selected (upper) and down-selected (lower) population at generation 14 are shown.

Houle et al. BMC Evolutionary Biology 2003 3:25   doi:10.1186/1471-2148-3-25
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