BUCCAL SMEAR FOR BARR BODIES (SEX CHROMATIN)

282 Ratings

Rs 528 Rs 400

24 % OFF

BARR BODY / SEX CHROMATIN IS THE INACTIVE X CHROMOSOME IN FEMALE SOMATIC CELLS WHICH HAVE TWO X CHROMOSOMES. ONE X CHROMOSOME REMAINS ACTIVE WHILE THE OTHER CONDENSES ON THE NUCLEAR MEMBRANE & FORMS A BARR BODY. MALES HAVE ONE EACH OF X & Y CHROMOSOMES, HENCE DO NOT HAVE A BARR BODY.

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RINSE MOUTH WITH WATER. PREPARE 4 SLIDES OF SCRAPINGS FROM THE BUCCAL MUCOSA, 2 FROM LEFT AND 2 FROM RIGHT CHEEK. FIX IMMEDIATELY IN 95% ETHANOL FOR 30 MIN. AIR DRY AND SHIP AT ROOM TEMPERATURE. PROVIDE CLINICAL DETAILS ON TEST REQUEST FORM.

ACETO-ORCEIN STAIN

REPORT ON 3RD DAY EVENING 7PM

PATIENT MUST RINSE MOUTH WITH WATER PRIOR TO SAMPLING. GIVE BRIEF CLINICAL HISTORY.

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