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PNAS study: Extreme-altitude birds evolved same trait via different mutations


February 20, 2018

All extreme-altitude birds have evolved especially efficient systems for delivering scarce oxygen to their tissues. But a new study, published in the Proceedings of the National Academy of Sciences (PNAS), led by the University of Nebraska-Lincoln has found that these birds often evolved different blueprints for assembling the proteins -- hemoglobins -- that actually capture oxygen in the Himalayas and Andes mountains. Full Story

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University of Nebraska-Lincoln

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