Top 10 Most Common Genetic Disorders

7) Down Syndrome

Down Syndrome

Down syndrome or 21st trisomy is a genetic disorder characterized by three sets of chromosome 21 whereas only two sets of chromosome is usual and normal. Parents of children affected by this syndrome are genetically normal. Intelligence quotient (I.Q) of the affected individuals is much less than required I.Q corresponding to Chronological age. Symptoms include delayed physical growth, facial irregularities, difficulty in learning.

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