July 14, 2015

gen-cover

Author

Cristy Gelling is Communications Director at the GSA, a science writer, and a lapsed yeast geneticist.

The icy waters of the Neumeyer Channel on the Antarctica Peninsula, and regions nearby, are home to several species of Antarctic icefish, animals that fit Darwin's phrase, a “wreck of nature.” Unique among vertebrates, icefish lack red blood cells and functional hemoglobin genes, have greatly reduced bone mineralization compared to related fish, and have lost the nearly-ubiquitous inducible heat shock response. Image courtesy of John Postlethwait, 2015 recipient of the Genetics Society of America's George W. Beadle Award.

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