A member asked:

What is karyotyping?

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Dr. Richard Roberts answered

Specializes in Pediatrics

Chromosome study: A karyotype is a visual presentation of the chromosomes present in each cell, usually derived from blood lymphocytes. The cells are grown in tissue culture, then arrested in the stage of separation (mitosis), then dropped on a glass slide from about 2 feet, which breaks them open; a dye is added to make stain them, a photo taken, then arranged into their 23 pairs, then studied for anomalies.

Answered 11/28/2017

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