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The 3p deletion syndrome is a condition that results from a chromosomal shift in which a small piece of chromosome 3 is missing in each cell. Individuals with 3p deletion syndrome have a long-standing learning disability. Most have delayed in the development of language skills as well as motor skills such as crawling and walking. Although affected individuals learn to walk in childhood, their language skills are usually poor. Many people with 3p deletion syndrome have obsessive-compulsive disorder or signs of autism spectrum disorders, which are conditions characterized by poor communication and social interaction. 3p deletion syndrome's physical appearances and signs may vary greatly. In addition, individuals with 3p deletion syndrome may have seizures, poor muscle tone, digestive abnormalities, or congenital heart abnormalities.
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