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. 2015 Jun 3;32(10):2616–2632. doi: 10.1093/molbev/msv136

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© The Author 2015. Published by Oxford University Press on behalf of the Society for Molecular Biology and Evolution.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 1. — Experimental evolution in laboratory populations of Drosophila melanogaster. (A) Schematic representation of experimental evolution. (B) Changes in egg sizes due to artificial selection. On the x axis are number of selected generations. Mean egg volumes in each of the three large (yellow), small (green), and controls (gray) in each selected generations are shown. Compared with the controls, egg volumes increased and decreased significantly in the LEP and SEP, respectively, and no significant difference was observed in the CP.