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Introduction There are many genetic diseases in the world All genetic diseases are inherited from ones parents Through Gregor Mendels studies of genetics it is possible for people to determine whether or not an individual will inherit a genetic disease All genetic disorders are recessive traits Campbell We have learned that if a parent has a genetic disease and the other parent does not have a genetic disease all of their children will be carriers or have the trait of the disease If both parents are carriers of a genetic disease one out of the four children will get the disease Some of the most common genetic disorders today are sickle cell anemia muscular dystrophy cystic fibrosis hemophilia and Tay-Sachs disease Most of the diseases usually is predominant in a race of people or in gender Campbell Today through modern technology we are able to detect whether a child will have a genetic disease through the methods of amniocentesis and chorionic villa sample Campbell One of the genetic disorders that doesnt receive a lot of attention is Tay-Sachs disease Tay-Sachs can be very lethal Discussion What is Tay-Sachs Disease Tay-Sachs Disease is a birth defect caused by a dysfunctional enzyme that fails to breakdown group of brain lipids or fat Campbell The cause of the dysfunctional enzyme is caused by a deficiency of an enzyme called Hexosominidase A or Hex A which is suppose to break down fatty substances in the nerve cells of the brain When the lipids or fats builds up in the brains nerve cells it leads to a slow degeneration of the cells of the nervous system thus bringing decay of the cerebellum This deterioration can be view on Magnetic Resonance Imaging MRI webknxcom The fatty substance that Hex A does not break down is called ganglioside GM2 Ganglioside GM2 accumulates on the brain cells and cannot be broken down Gangliosides are made and bio-degraded quickly in the early
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