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People with Williams syndrome tend to use speech that is rich in emotional descriptors, high in prosody (exaggerated rhythm and emotional intensity), and features unusual terms and strange idioms. [37] Among the hallmark traits of people with Williams syndrome is an apparent lack of social inhibition.
7q11.23 duplication syndrome (also called dup7 or 7dup or duplication of the Williams-Beuren syndrome critical region) is a rare genetic syndrome caused by micro-duplication of 1.5-1.8 mega base in section q11.23 of chromosome 7.
GeneReviews is an online database containing standardized peer-reviewed articles that describe specific heritable diseases. It was established in 1997 as GeneClinics by Roberta A Pagon ( University of Washington ) with funding from the National Institutes of Health . [ 1 ]
Fryns-Aftimos syndrome is a genetic conditions that presents with a multitude of varying signs, symptoms and characteristics facies. Commonly characterized by hypertelorism, congenital nonmyopathic ptosis, iris or retinal coloboma, deafness, epilepsy, and pachygyria. [5]
22q13 deletion syndrome, known as Phelan–McDermid syndrome (PMS), is a genetic disorder caused by deletions or rearrangements on the q terminal end (long arm) of chromosome 22. Any abnormal genetic variation in the q13 region that presents with significant manifestations ( phenotype ) typical of a terminal deletion may be diagnosed as 22q13 ...
ATR-16 syndrome patients have a 1-2Mb deletion on the top of the chromosome 16 p-arm and are associated with a Mendelian inheritance of a-thalassemia. [7] ATR-X syndrome patients have no deletion in chromosome 16, a-thalassemia is rare, and this syndrome is consistent with X-linked recessive inheritance. [8]
Opitz G/BBB syndrome, also known as Opitz syndrome, G syndrome or BBB syndrome, is a rare genetic disorder that will affect physical structures along the midline of the body. [1] The letters G and BBB represent the last names of the families that were first diagnosed with the disorder, while Opitz is the last name of the doctor that first ...
In humans, the researchers went on to note, WBSCR17 is at least partly responsible for a rare genetic disorder called Williams-Beuren syndrome. Williams-Beuren is characterized by elfin features, a shortened nose bridge, and "exceptional gregariousness"—its sufferers are often overly friendly and trusting of strangers.