Jacobsen Syndrome, Which Can Cause Heart Defects, Intellectual Deficiencies, and Bleeding

question 75

Multiple Choice

Jacobsen syndrome, which can cause heart defects, intellectual deficiencies, and bleeding disorders, is caused by a deletion of the terminal end of chromosome 11. What method could you use to determine whether an individual has Jacobsen syndrome?

• A) Look at a person's skin cells in G1 under a light microscope.
• B) Perform a karyotype using a person's white blood cells.
• C) Place a person's red blood cells in culture to see if they grow.
• D) Count the number of chromosomes present.

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