Medical Genetics Another type of aneuploidy is triploidy. a triploid individual has three of every chromosome, that is three haploid sets of chromosomes a triploid human would have 69 chromosomes (3 haploid sets of 23)Medical Genetics Another type of aneuploidy is triploidy. A triploid individual has three of every chromosome, that is, three haploid sets of chromosomes. A triploid human would have 69 chromosomes (3 haploid sets of 23)