Genetic Engineering. Right or Wrong? Genetic engineering has been one of the most controversial ethical issues since 1997; when Dolly the first successfully cloned sheep was announced. Dolly has redefined the meaning of "identical twin"; not only does she look exactly like her mother she also has the same genetic make up. This experiment was not only impossible but unthinkable. Yet‚ Dr. Ian Wilmut revealed Dolly on February 23‚ 1997‚ at seven months old ( Travis 1). On the surface genetic
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Raymond‚ J. (2006). Instructor’s resource manual: Human diseases: A systemic approach (6th ed.). Upper Saddle River‚ NJ: Pearson Prentice Hall. • Select a genetic disorder from the list below. o Huntington’s disease o Achondroplasia o Cystic fibrosis o Sickle cell anemia o Phenylketonuria o Down syndrome Navigate to the healthfinder® Web site. Use the alphabetic index under Diseases‚ Conditions and Injuries on the left side of the page to locate your selected genetic disorder.
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and life-threatening medical conditions. Fragile X syndrome‚ the most common genetic form of mental retardation‚ affects about 1 in 4‚000 males and 1 in 8‚000 females. One in 800 babies have Down Syndrome‚ and one in 3‚500 babies are born with Cystic Fibrosis. It is not right to sentence a child to life with an acute handicap. Abortion is one of the best options for those teens who didn’t graduate from high school or having to go to university. If a teenager is pregnant‚ she won’t have the time
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screening‚ tests for diseases and disorders in a developing fetus or embryo. It is typically used for detecting Down’s syndrome or other chromosome abnormalities‚ spina bifida‚ cleft palate‚ Tay-Sachs disease‚ sickle cell anemia‚ thalassemia‚ cystic fibrosis‚ muscular dystrophy‚ and fragile X syndrome. There have been multiple ways to test for these diseases/disorders over the years‚ including (but not inclusive to) amniocentesis‚ ultrasonography‚ serum marker testing‚ and genetic screening Looking
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diseases‚ such as cancer‚ are believed to be caused by genetic and environmental factors. Genetic Diseases * Many diseases/conditions are caused by genetic conditions. * Down’s syndrome is caused by an extra copy of chromosome 21 * Cystic Fibrosis is caused by a mutation on the X chromosome Environmental Diseases * Environmental diseases are cause by a variety of factors‚ some of which are avoidable‚ like a high fat diet‚ and others which are not‚ like various forms of radiation.
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throughout the labour such as anoxia (lack of oxygen) can cause difficulties for development. If a child is born with a condition or develops one later on in life this may affect their development. For example‚ a child with uncontrolled asthma or cystic fibrosis may not be able to run around and be as active as their peers. Therefore‚ this would mean that their physical development might not be the same‚ not being able to play outside would almost certainly affect their social development‚ as children
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Causes * Air pollution is the introduction of chemicals‚ particulate matter‚ or biological materials that cause harm or discomfort to humans or other living organisms‚ or damages the natural environment into the atmosphere * The atmosphere is a complex dynamic natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone depletion due to air pollution has long been recognized as a threat to human health as well as to the Earth ’s ecosystems. Natural sources
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TimeLine of Genetics 1750 B.C.E. The Sumerians brew beer. 500 B.C.E. The Chinese use moldy soybean curds as an antibiotic to treat boils. C.E. 100 Powdered chrysanthemum is used in China as an insecticide. 1590 The microscope is invented by Zacharias Janssen. 1663 Cells are first described by Robert Hooke. 1675 Antonie van Leeuwenhoek discovers bacteria. 1797 Edward Jenner inoculates a child with a viral vaccine to protect him from smallpox. 1830 Proteins are
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Madison Fowler Fruit Fly Genetics: Dihybrid Cross Abstract Vestigial and ebony are two commonly studied mutations in fruit flies. Studies of these mutations have even been correlated with reproduction. In this study‚ a dihybrid cross is conducted between heterozygous vestigial and ebony flies in order to determine the acceptance of the nine to three to three to one ratio. If the results of this experiment come out as what is expected‚ about nineteen percent of the filial two generation should
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this experiment was to show how to predict patterns of inheritance by using Punnett Squares to perform monohybrid and dihybrid crosses. Two crosses were performed. Cross one consisted of heterozygous alleles crossed with another set of heterozygous alleles. Cross number two consisted of a set of homozygous dominant and homozygous recessive alleles. Completing the monohybrid and dihybrid crosses using Mendel’s Punnett Square system allows the results for the possible gametes to be viewed by the different
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