Turner Syndrome: A Genetic Defect

turner Syndrome was first described by Dr. Henry turner in 1938. He noniced any(prenominal) common physical features in some of his female patients. It wasnt until 1960 that a chromosomal abnormality was gentleman in citizenry with the physical features that Dr. turner described. turner Syndrome patently affects females because a lone Y chromosome cannot survive but a single X chromosome can. Females with food turner Syndrome either have a bun in the oven b atomic number 18ly one X chromosome or one of the X chromosomes is piecing a piece or is misshapen. Females with Turner Syndrome exhibit many symptoms. several(prenominal) argon: short stature, webbed neck, horseshoe kidney, cataracts, arthritis, high telephone dress circle pressure, misfortunate hairline, scoliosis, soft nails, abnormal eye features, absence of collateral sexual characteristics such as breasts and pubic hair, infertility, a simian crease, absence of menstruation, widely spaced nipple s, and obesity. Not all race that have Turner Syndrome will exhibit all of the symptoms. some people exhibit many but others may hardly exhibit a few. Occasionally a girl with Turner Syndrome will have mosaicism, which means that not all of her cells are missing an X chromosome. When mosaicism occurs, the woman may exhibit just a few of the symptoms. Turner Syndrome occurs in about 1 in 3,000 live births. A karyotype is required to absolutely analyse Turner Syndrome. An amniocentesis can prenatally diagnose Turner Syndrome, as well. single 5% of Turner Syndrome fetuses survive to full term, 95% are spontaneously miscarried. Turner Syndrome is genetic but truly seldom hereditary. A woman with Turner Syndrome has a low probability of being fertile but when one does incur great(predicate) and passes on her normal X chromosome to her offspring no distance is expected. Treatments are not highly effective and cannot reverse signs of Turner Syndrome. Estrogen thera py can be started around ages 12 or 13 to st! imulate...

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