AllRefer Health - Karyotyping: How is the Test Performed? (Chromosome Analysis)

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You are here : AllRefer.com > Health > Tests & Exams > Karyotyping: How is the Test Performed?

Karyotyping


•	Definition
•	Why is the Test Performed?
•	How is the Test Performed?
•	How to Prepare for the Test?
•	How will the Test Feel?
•	Normal Values
•	What do Abnormal Results Mean?
•	Special Considerations
•	Risks
•	Pictures & Images
•	Go To Main Page

Alternate Names : Chromosome Analysis

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How is the Test Performed?

The test can be performed on a sample of blood, bone marrow, amniotic fluid, or placental tissue.

Chromosomes contain thousands of genes that are stored in DNA, the basic genetic material. The specimen is grown in tissue culture in the laboratory. Then, the cells are harvested, and the chromosomes are stained and viewed under the microscope. They are photographed to provide a karyotype, which shows the arrangement of the chromosomes.

Certain abnormalities can be identified through the number or arrangement of the chromosomes.

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• Definition
• Why is the Test Performed?
• How is the Test Performed?
• How to Prepare for the Test?
• How will the Test Feel?
• Normal Values
• What do Abnormal Results Mean?
• Special Considerations
• Risks
• Pictures & Images

Review Date : 8/6/2003
Reviewed By : Douglas R. Stewart, M.D., Division of Medical Genetics, Hospital of the University of Pennsylvania, Philadelphia, PA. Review provided by VeriMed Healthcare Network.

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