makaylahills1836 makaylahills1836
  • 15-07-2017
  • Health
contestada

One of the most common causes of intellectual disability is ________ syndrome, which at one time was called mongoloidism and is caused by the presence of an extra of the 21st pair of chromosomes.

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janisssss
janisssss janisssss
  • 15-07-2017
It's Down syndrome :)
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