janetlp02 janetlp02
  • 21-04-2020
  • Biology
contestada

Down syndrome is the result of an extra chromosome 21 in a gamete. What caused this to happen?


nondisjunction

telomeres

environment

chromosome inactivation

Respuesta :

maddy0716
maddy0716 maddy0716
  • 21-04-2020
No disjunction is the answer
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