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Hallervorden-Spatz is a disease that slowly gets worse (is degenerative. It usually begins in childhood. The condition involves muscle rigidity, weakness, and movement problems. Most cases of Hallervorden-Spatz are due to a defect in a gene that m...
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Diagnosis of PKAN begins with a neurological exam, which is followed up by a magnetic resonance imaging (MRI) scan to reveal a characteristic signal from the affected portions of the brain. Genetic testing may be done to look for the mutation in t...
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Conditions with a link to the individual ' s genetic make-up. Genetic disorders are conditions that can be traced to an individual ' s heredity.
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Detailed information on the different types of genetic diseases that can affect a pregnancy
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Detailed information on the most common congenital and hereditary disorders in children
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A Harvard Medical School physician answers your question about the hereditary elements of addiction.
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The traditional method used to study an inherited disease is to observe the pattern of its distribution in families through examination of a pedigree, the construction of which begins with the individual first known to have the disease. The pedigree pattern allows one to judge whether or not the distribution conforms to Mendelian principles of segregation and assortment, and thus represents single-factor inheritance.
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Variations within the DNA sequence of a particular gene affect its function and may cause or predispose an individual a particular disease. Alterations in the genome may increase the frequency of disorder and disease with entire populations.
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Variations within the DNA sequence of a particular gene affect its function, and may cause or predispose an individual a particular disease. Alterations in the genome may increase the frequency of disorder and disease with entire populations.
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Any unusual variation or abnormality in the shape, structure, and/or function of an organ, body part, or tissue is commonly referred to as a birth defect. However, congenital anomaly is the more accurate and preferred term, since birth defect can be misinterpreted to mean a defect produced by the birthing process.
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