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What is alpha thalassemia X-linked mental retardation syndrome?

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What is alpha thalassemia X-linked mental retardation syndrome?

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Alpha thalassemia X-linked mental retardation syndrome is an inherited disorder that affects many parts of the body. This condition occurs almost exclusively in males. Males with alpha thalassemia X-linked mental retardation syndrome have intellectual disability and delayed development. Their speech is significantly delayed, and most never speak or sign more than a few words. Most affected children have weak muscle tone (hypotonia), which delays motor skills such as sitting, standing, and walking. Some people with this disorder are never able to walk independently. Almost everyone with alpha thalassemia X-linked mental retardation syndrome has distinctive facial features, including widely spaced eyes, a small nose with upturned nostrils, and low-set ears. The upper lip is shaped like an upside-down “V,” and the lower lip tends to be prominent. These facial characteristics are most apparent in early childhood. Over time, the facial features become coarser, including a flatter face with

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