Answer:
Aneuploidy
Explanation:
Aneuploidy: It is the condition when one of the chromosome failed to split at the end of metaphase due to nondisjunction. So aneuploidy will produce monsomial and trisomial cells.
Monosomy; Diploid genome that lacks a single chromosome.
Example; Turner syndrome.
Trisomy; Diploid genome that have one extra chromosome.
Example; Down syndrome.
