Extreme Body Weight Adaptation (IMAGE)

SMBE Journals (Molecular Biology and Evolution and Genome Biology and Evolution)

Extreme Body Weight Adaptation

Caption

At 8 weeks of age, the divergently selected Virginia chicken-lines differ many fold in weight. In the picture, a hen selected for low body weight for 49 generations is sitting on the back of a hen selected for high body weight for the same number of generations.

Credit

Christa Honaker

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