More than 25 million DNA variations were discovered as novel including major alleles from Arab population. Exome studies on Arabs discovered >3000 novel nucleotide variants associated with >1200 rare genetic disorders. Reclassification of many pathogenic variant into benign through the Arab database enhance building a detailed and comprehensive map of Arab morbid genome. Intellectual disability stands first with the combined and observed carrier frequency. Genome studies and advanced

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... al biology discovered interesting novel candidate disease marker variations in many genes from consanguineous families with intellectual disability, neurogenetic disorders, blood and bleeding disorder and rare genetic diseases. Pathogenic variants in C12orf57 gene are prominently associated with the etiology of developmental delay/intellectual impairment. Arab mitogenome exposed hundreds of variations in mtDNA genome and its association with obesity. Further study is needed in genomics to fully comprehend the molecular abnormalities and associated pathogenesis that cause inherited disorders in Arab ancestries.