A
photographic representation of the chromosomes of a single cell, cut and
arranged in pairs based on their banding pattern and size according to a
standard classification
Definition from: GeneTests
from the University of Washington and Children's Health System, Seattle
A karyotype is an individual's collection of chromosomes. The term also refers to a laboratory technique that produces an image of an individual's chromosomes. The karyotype is used to look for abnormal numbers or structures of chromosomes.