There may be too many or too few chromosomes compared to the normal number.

Parts of the chromosome may be fused to another chromosome in a phenomenon called translocation.

Chromosomes may be turned around in the same chromosome and this is called inversion.

Each chromosome has a specific number.

The long arm of a chromosome is ref2242ed to as “q” arm.

The short arm of a chromosome is ref2242ed to as a “p” arm.

”+” or “-” markers signify a chromosome or part of a chromosome has been gained or lost.

”t” indicates the presence of a translocation between two chromosomes.

”inv” indicates that an inversion has occurred.

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