cwaelty22
cwaelty22 cwaelty22
  • 14-01-2018
  • Biology
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What causes Down's syndrome

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jennyyle12p2idco
jennyyle12p2idco jennyyle12p2idco
  • 14-01-2018
down's syndrome is also called Trisomy 21.

usually a normal person will have 46 chromosomes. for person with this syndrome, he/she has 47 chromosomes results from an error in cell division.

the person has 3 copies of chromosome 21 instead of 2 copies.
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magnusreincarna
magnusreincarna magnusreincarna
  • 08-11-2018

It is caused by nondisjunction

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