SCI 115 Discussions
“DNA and RNA, Genes, Mutations, and Gene Therapies”
· Examine three (3) differences between DNA and RNA then explaintwo (2) main reasons why DNA is the most favorable molecule for geneticmaterial. Next suggest how RNA compares to DNA in regards to genetic material.
o Go to The Guardian websiteand read the article titled “Mind-control device lets people alter genes inmice through power of thought” found at (https://www.theguardian.com/science/2014/nov/11/mind-control-device-alter-genes-mice). Next discussthree (3) main points of the article you found most significant then explaintwo (2) ways the article you read relates to this week’s lesson. Provideexamples of this relation with your response.
o Mutations are the original source of genetic variation. Explainhow mutations can be either beneficial or harmful then provide an example foreach. Next identify a disease, which is caused by a mutation, and then describethe biological basis of your chosen disease. In your response be sure to notethe exact disease causing mutation.
o Briefly describe the biology behind DNA-based Vaccines and GeneTherapy. Next suggest what you believe are the major similarities anddifferences between these two (2) therapies. Which do you believe is the bestoption? Justify your response.
“Cells and Cancer and Mitosis and Meiosis”
o NPR Podcast:Can healthy eating reverse some cancers? (www.npr.org/2015/07/31/426842528/can-healthy-eating-reverse-some-cancers)
o Dana FarberPodcast: Sugar and Cancer. (blog.dana-farber.org/itunes/cancer_and_nutrition/nutrition_and_cancer-sugar.mp3)
o Briefly summarize the podcast you have selected then discusswhether or not you believe that dieting can reverse cancer or if dieting impactsyour risk of cancer. Justify your response.
· Name two (2) similarities and two (2) differences betweenmitosis and meiosis I and II. Next state three (3) benefits of geneticvariation which result from meiosis. Which benefit do you believe is mostsignificant? Justify your response.
· Read the Journal of Oral and Maxillofacial Pathology articleentitled, “Mitosis at a Glance” which is found at (www.ncbi.nlm.nih.gov/pmc/articles/PMC4211232/). Nextsummarize three (3) major points made in the article then define the termcancer in your own words. Lastly, describe what occurs when there are problemsduring mitosis then provide an example of a disease that results from abnormalmitosis.
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