In our parents' shadow
Article Abstract:
Fragile X syndrome was first noted in 1943, but the gene causing the disorder was not identified until 1991. Symptoms of fragile X syndrome include behavioural problems, a degree of mental impairment, and some particular physical features. The mutated gene is passed from carrier mother to son, as in most disorders related to X chromosomes, but it is unusual in that it can exist in 20% of males without causing symptoms. These males will pass on premutated fragile X chromosomes to any daughters they have, who then pass on the mutated gene.
Publication Name: Nursing Times
Subject: Health
ISSN: 0954-7762
Year: 1998
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In our parent's shadow
Article Abstract:
Inherited disease Usher's syndrome produces symptoms associated with sight and hearing, usually leading to speech impairment. Both parents require the Usher's syndrome gene for a child to be affected, with a 25% risk of inheriting the gene for each child. Close-relationship communities suffer a higher incidence of inherited disease because of the greater risk of both parents carrying the defective gene. Usher's syndrome has no cure which means potential carriers should be counselled on the possibility of having children.
Publication Name: Nursing Times
Subject: Health
ISSN: 0954-7762
Year: 1998
User Contributions:
Comment about this article or add new information about this topic:
In our parent's shadow
Article Abstract:
Huntington's disease is a hereditary wasting illness which affects movement, speech and the nervous system in people usually over the age of 35. The disease is caused by a faulty gene which can affect both men and women, with 1 person in every 14,000 in the UK being a carrier. There is no known cure for Huntington's disease but potential sufferers can be screened to discover the chance of developing the illness in later life. Counselling and support can then be given if the test proves to be positive.
Publication Name: Nursing Times
Subject: Health
ISSN: 0954-7762
Year: 1998
User Contributions:
Comment about this article or add new information about this topic:
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