Answer:
All except for the second sentence are examples of chromosomal abnormalities, because having an x and y chromosome just makes you male, but missing parts, having additional, and such are all abnormalities.
Answer: the person is missing a chromosome, the person has additional chromosomes, the person is missing parts of chromosomes.
Explanation: examples of chromosomal abnormalities?
the person is missing a chromosome
the person has additional chromosomes
the person is missing parts of chromosome