Stressed Dads: Article Analysis

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The article I chose is “Penn: Stressed Dads Affect Offspring Brain Development through Sperm MicroRNA” by Katherine Unger Baillie. Tracy L. Bale a professor of neuroscience at Penn’s School of Veterinary Medicine and Perelman School of Medicine is leading a study on how the level of stress can affect offspring’s through sperm. Professor Bale researched on male mice, and to elevate their stress levels she exposed them to a predator’s odor such as urine from a fox and/or transferring them to different cages. She then compared the sperm to the unstressed male mice and noticed an increase of nine miRs from the stress exposed mice. miRs prevent RNAs from translating into proteins. Now that the results indicated a change in sperm Professor Bale and
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