Identical Twins That Differ Markedly in Physical Fitness
Another intriguing case of nature vs nurture in identicals is published in the new issue of The European Journal of Applied Physiology. Katherine Bathgate, James R. Bagley, and Andrew J. Galpin and their colleagues, from a trio of California colleges, compared 52-year-old identical twins who differ greatly in their physical fitness level. “TT” is a runner and triathlete, “UT” a sedentary truck driver. Because they share all their genes, differences in physical fitness reflect what the twins do and have done, not what they inherited.
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