TNPSC Thervupettagam

World Down syndrome Day – March 21

March 24 , 2020 1465 days 688 0
  • Down syndrome occurs when an individual has an extra partial (or whole) copy of chromosome 21.
  • In December 2011, the United Nations General Assembly declared 21 March as World Down Syndrome Day
  • This year the theme is "We Decide".

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