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Genetic Inquiry

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Mandy Nguyen

on 21 May 2013

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Transcript of Genetic Inquiry

As the disease progresses, the symptoms get worse gradually as the years go by. In its early stages, memory loss is mild, but with late-stage Alzheimer's individuals lose the ability to carry on conservation to their environment.Those with Alzheimer's live an average of eight years after their symptoms become noticeable to others, but survival can range from four to 20 years, depending on age and other health conditions (Alzheimers Disease). This disease is a progressive, lifelong condition in which the glands that produce mucus, sweat, and intestinal section do not fuction properly. Think mucus accumates in the lungs, leading to breathing difficulty and infection. Cystic Fibrosis impairs digestion, there is no cure for this disease. While some babies will die from this disease in infancy, many live in their 20s and 30s (Genetic-Disease/Cystic Fibrosis). Single-gene disorders, where a mutation affects one gene. Sickle cell anemia is an example.
Chromosomal disorders, where chromosomes (or parts of chromosomes) are missing or changed. Chromosomes are the structures that hold our genes. Down syndrome is a chromosomal disorder.
Complex disorders, where there are mutations in two or more genes. Often your lifestyle and environment also play a role. Colon cancer is an example (National Library of Medicine). Different types that deal with genetic disorders Genetic Inquiry By: Anne Marshall, Mandy Nguyen, and Allison L Can Down Syndrome be inherited? Continue of Alzheimers... Cystic Fibrosis Thank you for watching:)!! The 3 types of genetic disorder Diseases Gene Therapy How do mutations affect health and development? How is Down Syndrome genetic? Why do we have genes that cause genetic disorders? A genetic disorder is a disease that is caused by an abnormality in an individual's DNA. Abnormalities can range from a small mutation in a single gene to the addition or subtraction of an entire chromosome or set of chromosomes. Gene therapy is an experimental technique for treating or preventing diseases by inserting a gene into a patient's cells. Gene therapy is in the early stages of development but offers hope of treating or preventing genetic diseases that today are incurable (Blaese). Gene mutations are very severe that sometimes prevent the embryo from surviving until birth. These changes occur in genes that are essential for development, and often disrupt the development of an embryo in its earliest stages. Because these mutations have very serious effects, they are incompatible with life. Disease occurs when genes are unable to work properly What is a genetic disorder? . Affected people have two normal copies of chromosome 21 plus extra material from chromosome 21 attached to another chromosome, resulting in three copies of genetic material from chromosome 21. Affected individuals with this genetic change are said to have transaction down syndrome. Many genes are named for the disorders to which they have been linked Gene actually codes for a membrane protein that works with other proteins to regulate iron absorption in cells Alzheimers Symptoms usually develop slowly and get worse over time. Alzheimers is a normal time of aging, although the risk increases with age. Picture Really Bad!!!! (Mandy) (Mandy) (Anne) (Mandy) (Mandy) (Anne) (Allison) (Mandy) (Allison) Most cases of Down syndrome are not inherited. When the condition is caused by trisomy 21, the chromosomal abnormality occurs as a random event during the formation of reproductive cells (Anne)
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