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    Daniel Huang Chapter 9 1. Mutations can be very negative in that it can cause cancer in somatic cells. However it is important to note that mutations will also lead to variability which is beneficial to us. Mutations in intergenic DNA affects regulations of protein products which is actually less detrimental than mutations in exons which code for the proteins. 2. Transition is the error that causes the base to change from a purine to purine or pyrimidine to pyrimidine. Transverses are base…

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    Breast Cancer Case Study

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    In 2015, the National Cancer Institute released statistics stating that an estimated number 1,658,370 cases of cancer will be diagnosed this year and that in one third of those cases the patient will die (National Cancer Institute). According to the National Cancer Institute, the leading cause of death in America is heart disease, then a close second is cancer, taking an average number of 585,000 deaths per year (National Cancer Institute). The chances are every individual will, in their…

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    As of the January 1, 2014, there are 7,607,230 women living in the United States that have cancer, and about 1.8 million (13%) of these women were diagnosed with breast cancer (“International Cancer Control”). While scientists continue to try and find a cure for every stage of this vicious disease, one in 36 women die from breast cancer, making it the second leading cause of death in female cancer patients “What are the Key Statistics About Breast Cancer?”). If scientists are working to hard to…

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    Society has always been striving toward perfection, eager that one day our babies could be custom designed with superior genes that would allow scientists to create the ideal human being. It could be for things such as freedom from inherited diseases and disorders, or even enhancing characteristics as subliminal as physical appearance, intelligence, or athleticism. This yearn for perfection began to grow in 1978, when the first successful application of in vitro fertilization (IVF) in humans…

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    This may cause accumulation of errors rapidly in the cell and its progeny. * Those in signaling (endocrine) machinery of the cell. This leads transmission of the error signals to nearby healthy cells as well. * Those that allow the cells to migrate and disrupt more healthy cells away from the primary site of origin. * Those that make the cell immortal so that the abnormal cell refuses to die. Hormonal changes Notable among these are changes in the female hormone levels estrogen. Excess…

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