1. Fragile x syndrome
Some of the behavioral traits are as follows: hand flapping and/or hand biting, especially when the child is frustrated or excited; inattentive or hyperactive; over stimulated by touch; frustrated easily, causing tantrums; fascinated with one unusual object or event, as with autism; repetitive behavior or speech; poor eye contact, girls are often very shy and have difficulty interacting with other children. ... The ability to distinguish between a permutation and a full mutation provides a greater prediction for the risk of being mentally disabled. ... Permutations include small expansions w...
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- Grade Level: Undergraduate