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Down Syndrome – symptoms, diagnosis

Down syndrome is the most common chromosomal disorder (chromosomes are structures contained in the cell nucleus) and is characterized by a surplus of 21 chromosome. In human somatic cells there are 46 chromosomes that are grouped in 23 pairs. Condition occurs with predilection in males, the risk increases with maternal age. From clinical point of […]


December 4, 2011, Uncategorized