Genetic Disorders

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Since the two alleles are codominant at the molecular level; both normal and abnormal hemoglobins are made. Only individuals who are homozygous for the sickle-cell allele suffer from the disease. Down syndrome is an aneuploid condition, meaning that if either of the aberrant gametes unites with a normal one at fertilization, the offspring will have an abnormal chromosome number...
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Down syndrome is usually the result of an extra chromosome, so that each body cell has a total of 47 chromosomes. In chromosomal terms, the cells are trisomic for chromosome 21. Its trisomy severely alters the individual's phenotype. Down syndrome includes characteristic facial features, short stature, heart defects, susceptibility to respiratory infection, and mental retardation...
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tay sachs disease Tay-Sachs disease is a fatal genetic lipid storage disorder in which harmful quantities of a fatty substance called ganglioside GM2 build up in tissues and nerve cells in the brain...	2 / 352
Tay Sachs Tay-Sachs disease is a fatal inherited disease of the central nervous system. The most common form of the disease affects babies. Affected babies appear healthy at birth and seem to develop normally for the first few months of life...	5 / 1182
Tay Sachs paper (with outline) A. Simple Facts 1. Named after Warren Tay and Bernard Sachs 2. Involves protein ganglioside GM2 and enzyme Hex-A 3. Gene mutation located in Chromosome 15 B...	6 / 1593
What is Tay-sachs disease Tay-Sachs disease is a disease of the central nervous system. It is a genetic disorder meaning it can only be inherited and is almost always fatal. The disease appears in mostly babies but some people have experienced a late on set of the disease...	8 / 2063
tay-sachs This disease is distinguished by the onset of severe mental and developmental retardation starting around six months of age. Gradually, Tay-Sachs children lose motor skills and mental functions...	4 / 978
gene therapy Gene Therapy is the insertion of a gene or genes into cells in order to provide a new set of instructions to those cells. Gene insertion can be used to correct an inherited genetic defect which is causing disease, to counter or correct the effects of a genetic mutation, or even to program a cell for an entirely new function or property...	2 / 409
sickle cell anaemia What is sickle cell anaemia? Sickle cell anaemia is an inherited disease which is passed on by both parents and is not a contagious or infectious disease...	2 / 512