Final answer:
A karyotype is a visual representation of an individual's chromosomes and can reveal genetic abnormalities such as having too many or too few chromosomes. It can also identify large DNA deletions or insertions and pinpoint translocations.
Step-by-step explanation:
A karyotype is a visual representation of an individual's chromosomes lined up by size and can reveal genetic abnormalities in which an individual has too many or too few chromosomes per cell. It can also identify large deletions or insertions of DNA and pinpoint translocations. For example, Down Syndrome is identified by a third copy of chromosome 21, Turner Syndrome by the presence of only one X chromosome in women, and Jacobsen Syndrome by a deletion on chromosome 11.