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Epigenetics

Paul Andersen explains the concepts of genetics. He starts with a brief discussion of the nature vs. nurture debate and shows how epigenetics blurs this distinction. He explains how differentiation of cell types results from the inactivation of certain genes. He describes the three processes of epigenetics: DNA methylation, Histone acteylation and microRNA. Intro Music Atribution Title: I4dsong_loop_main.wav Artist: CosmicD Link to sound: http://www.freesound.org/people/Cosmi... Creative Commons Atribution License All images are either Public Domain or Creative Commons Attribution Licenses: "File:DNA Methylation.jpg." Wikipedia, the Free Encyclopedia. Accessed March 2, 2013. http://en.wikipedia.org/wiki/File:DNA.... "File:Earrr.JPG." Wikipedia, the Free Encyclopedia. Accessed March 1, 2013. http://en.wikipedia.org/wiki/File:Ear.... "File:Epigenetic Mechanisms.jpg." Wikipedia, the Free Encyclopedia. Accessed March 3, 2013. http://en.wikipedia.org/wiki/File:Epi.... "File:Hela Cells Image 3709-PH.jpg." Wikipedia, the Free Encyclopedia. Accessed March 2, 2013. http://en.wikipedia.org/wiki/File:Hel.... "File:HeLa Cells Stained with Hoechst 33258.jpg." Wikipedia, the Free Encyclopedia. Accessed March 2, 2013. http://en.wikipedia.org/wiki/File:HeL.... "File:MiRNA.svg." Wikipedia, the Free Encyclopedia. Accessed March 3, 2013. http://en.wikipedia.org/wiki/File:MiR.... GM, Cooper. English: Histone Acetylation, January 13, 2013. Cooper GM. The Cell: A Molecular Approach. 2nd edition. Sunderland (MA): Sinauer Associates; 2000. Regulation of Transcription in Eukaryotes. Available from: http://www.ncbi.nlm.nih.gov/books/NBK.... http://commons.wikimedia.org/wiki/Fil.... kumar35885. Simple DNA for Illustrations, n.d. http://openclipart.org/detail/58543/d.... Rosa, Gilberto Santa. Beautiful Lips., March 25, 2006. originally posted to Flickr as Lips ...............DSCF6115a_picnikbw/soft. http://commons.wikimedia.org/wiki/Fil.... SheLovesGhosts. Deutsch: Zentrale Heterochromie: Grüne Iris, Um Die Pupille Herum Jedoch Ein Braun-gelber Ring, March 5, 2009. Own work. http://commons.wikimedia.org/wiki/Fil....