Found in the male X chromosome resulting from extra 1 or 2 chromosome making 47 Rio genotypes, calipers, XXY, XXXY or 48 patients will have symptoms of mental retardation. The shape, zero good pleas very tall high. The chest has grown like a woman's breast and sterility because no sperm and testes are small. If there is a number of X chromosome mental retardation symptoms, it is much more serious.
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