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Fel4te4ralehub Fel4te4ralehub
  • 24-02-2017
  • Biology
Answered

Down syndrome is a condition in which the individual

Ahas three copies of chromosome 21.
Bhas three copies of chromosome 23.
Clacks chromosome 46.
Dhas only one chromosome 21.

Verified Answer :

kjb123
kjb123 kjb123
  • 24-02-2017
Ahas three copies of chromosome 21.
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