Kelsey Agnew

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Finding gene activity differences in identical twins

Researchers identify a few cases where twins' genes behave differently.<p>They're called identical twins because their genomes are identical. But even …

It Takes Two: A Year of Twin-formation and the Effects of Spaceflight

Human Research Program - Areas of Study - Environment

Over time, the human body has evolved in response to the unique characteristics of the Earth environment. Space travel takes the human body out of …

NASA Launches New Research, Seeks the Subtle in Parallel Ways

On March 7, NASA announced the selection of 10 investigations for the study of identical twin astronauts Scott and Mark Kelly and, in doing so, …

Human genetics - An Introduction to Genetic Analysis

Medical genetics<p>In the study of rare disorders, four general patterns of inheritance are distinguishable by pedigree analysis: autosomal recessive, …

Human Research Program

NASA.gov brings you the latest images, videos and news from America's space agency. Get the latest updates on NASA missions, watch NASA TV live, and …