Which term describes the chromosomal abnormality of having three copies of a single chromosome? haploidy diploidy triploidy tetraploidy.

The question where asking to choose among the following choices that states the term that describes the chromosomal abnormality of having three copies of a single chromosome, and base on the said question, I would say that the answer would be Triloidy.  I hope you are satisfied with my answer and feel free to ask for more 

If there were no memes, there would be no life.