Triploidy is a chromosomal disorder characterized by an organism having three copies of each chromosome instead of the usual two.
Monosomy: A chromosomal condition where there is only one copy (instead of the usual pair) for a particular chromosome.
Trisomy: A similar chromosomal disorder where there are three copies (instead of the usual pair) for a particular chromosome.
Genome: The whole hereditary information encoded in an organism’s DNA.