Genetic Disorders Project Waardenburg Syndrome Brian Tokay March 4‚ 2011 Waardenburg Syndrome is an inherited disorder characterized by different levels of hearing loss and changes in hair and skin pigmentation. A common trait of Waardenburg Syndrome is different colored eyes or very bright blue eyes‚ a low hairline‚ connected eyebrows‚ some may have a patch of white hair or grey hair by the age of twelve‚ and a wide space between the eyes. There are at least four types of Waardenburg
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Differences and Similarities Charlie Drees Between Prokaryotes and Eukaryotes Mr. Stergar 6th Period 6th Period 10/12/16 I have decided to do an essay about differences and similarities
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Normal cells undergo cell division in an orderly process known as the cell cycle. In this process‚ normal cells send chemical signals to pass between neighboring cells. This keeps the rate of cell division equal to the rate of cell death. Cancer cells break free from normal constraints and follows it’s own pattern of cell division. Cancer cells divide much more often than normal cells which produces a mass of cells‚ also called a tumor. Proto-oncogenes makes proteins that encourage cell division
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Affecting about one in every forty-thousand people‚ Waardenburg syndrome (WS) is fairly rare. It is an umbrella which includes four genetic conditions‚ all caused by a mutated or altered gene. Each type affects the individual from birth. All types tend to cause some degree of abnormal pigmentation‚ hearing loss‚ and facial abnormalities (see figure 1)‚ and a few types create more serious concerns involving anomalies in the hands and arms‚ and life-threatening issues of the bowel. We are still learning
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The 9 months that made you Our genes make up who we are. These are our building blocks to our physical structure‚ both our inner body and outer body. From the smallest nerve to your biggest smile‚ all of it is made from your genes‚ the ones your mother and father gave you. Your body is the universe’s’ greatest creation‚ but what happens when something goes wrong in your genes? The changes in your genetic information that is given to you in your mother’s womb can affect you once you get out into
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The pedigree analysis reveals that the condition affects both sexes‚ is present in all generations and can only be inherited from an affected mother. These features‚ allied to the absence of male transmission to the offspring‚ rule out Y-linked and autosomal inheritances. If it was an X-linked dominant inheritance‚ an affected male would always have affected daughters‚ but II.6 has one unaffected daughter (III.6)‚ so it can be ruled out. The family pedigree seems to have a mitochondrial inheritance
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Questions on Units 1.1 – 1.4 on Cell Components 1 The figure below shows an electron micrograph of an animal cell. A B centriole C nucleus (a) Name and state the function of the following structures. (i) Structure A …………………………………………………………………………………………… …………………………………………………………………………………………… (ii) Structure B …………………………………………………………………………………………… …………………………………………………………………………………………… (iii) Structure C …………………………………………………………………………………………… …………………………………………………………………………………………… (6 marks)
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Mitotic Index Lab Report Results: My results of the Mitotic Index Lab Report Interphase Prophase Metaphase Anaphase Telophase Total # of cells 39 9 8 22 7 85 % of cells 46% 11% 9% 26% 8% 100% Average class results of the Mitotic Index Lab Report Interphase Prophase Metaphase Anaphase Telophase Total # of cells 33 11 6 7 4 61 % of cells 54% 18% 10% 11% 7% 100% Summary of results: While conducting the Mitotic Index Lab it was difficult to identify what stage the cells were in because the magnification
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Experiment 1: Quantitative assessment of Some Cellular Constituents Summary: Euglena gracilis are unicellular organisms in the Protist Kingdom. They are known to have both plant and animal characteristics. Although‚ Euglena cells contain a variety of cellular constituents‚ their cellular constituents should be presented in equal ratio. The objective of this experiment is to determine Euglena’s cellular components in cells and then to establish their cellular constituents by comparing the experimental
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A powerful tool that lets scientists modify DNA coding with extreme nearly precision could be used to genetically engineer the human species. There’s great potential that comes with these enhancements‚ such as curing genetic diseases‚ but more importantly being able to understand the genetic makeup of humans as a whole. This could be a great leap for mankind as a whole since landing in the moon. This is why I support the advancement of human enhancement through genetic alterations of the embryo.
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