ATR-X
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ATR-X is used to refer to Alpha-thalassemia X-Linked Mental Retardation, a condition caused by a mutated gene. Females with this mutated gene have no specific signs or features. Male carriers tend to be moderately mentally retarded and have physical characteristics including excessively prominent lips, a depressed nasal bridge, and a small head size.[1]
[edit] References
- ^ Robert J. Gorlin, Meyer Michael Cohen, Raoul C. M. Hennekam (2001). Syndromes of the Head and Neck . Oxford University Press, 986. ISBN 0195118618.

