Which term describes the chromosomal abnormality of having extra chromosomes


Asked by maham237 @ in Biology viewed by 304 People


haploidy diploidy trisomy tetrasomy

Answered by maham237 @



Trisomy is the term that
describes the chromosomal abnormality of having three copies of a single
chromosome. The outcome of this phenomena would have 47 chromosomes in the cell
instead of 46. This results in the congenital malformations, serious
developmental and motor delays and a high incidence of mortality.


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