Controversy and difficulties of definition and diagnosis have surrounded the mental retardation syndrome associated with a gap in the X chromosome ever since it was first described some 25 years ago. Individuals who are affected show varying degrees of retardation, an elongated face and macro-orchidism. It is generally agreed that the condition is second only to Down Syndrome as a specific cause of mental retardation. The syndrome is more common in boys than in girls, but can be inherited from either parent, so each case ...
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Controversy and difficulties of definition and diagnosis have surrounded the mental retardation syndrome associated with a gap in the X chromosome ever since it was first described some 25 years ago. Individuals who are affected show varying degrees of retardation, an elongated face and macro-orchidism. It is generally agreed that the condition is second only to Down Syndrome as a specific cause of mental retardation. The syndrome is more common in boys than in girls, but can be inherited from either parent, so each case diagnosed necessarily involves the investigation of an extensive number of relatives. To date the precise nature of the defect is unknown, but it has been mapped with the aid of DNA probes. These probes can be useful for tracing inheritance within a family, for detecting carriers, and for assisting in the laboratory in attempts to isolate and characterize the defect, which should lead to improvements in pre-natal diagnostic techniques and in the clinical management of patients. This volume contains a series of essays designed to introduce and review clinical and biological knowledge of the mental retardation syndrome for a non-specialist audience. Current research and development is examined, and experts in the field attempt to point the way for future work.
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Seller's Description:
This is an ex-library book and may have the usual library/used-book markings inside. This book has soft covers. In fair condition, suitable as a study copy. Please note the Image in this listing is a stock photo and may not match the covers of the actual item, 350grams, ISBN: 9780192618368.
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Seller's Description:
This is an ex-library book and may have the usual library/used-book markings inside. This book has soft covers. Book contains pen, pencil & highlighter markings. In poor condition, suitable as a reading copy. Please note the Image in this listing is a stock photo and may not match the covers of the actual item, 400grams, ISBN: 9780192618368.
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Very good with slight shelf wear. No dust jacket. Ex-college library with usual library features/ Very good with slight shelf wear/ no dust jacket/ Softcover/ 1989/ 1st editionB&R 272/2302.
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