American Society for Clinical Pathology Board of Certification (ASCP BOC) · Current official CG examination guideline, revised December 5, 2025; no separate effective date is printed. The assigned Technologist in Cytogenetics label maps to the current Scientist in Cytogenetics credential. The canonical slug is preserved.

This original 20-question sample covers selected topics across the outline. It does not reproduce official exam questions or cover every tested topic.

• ASCP BOC: Scientist in Cytogenetics – CG(ASCP) and CG(ASCPi)
• Scientist in Cytogenetics – CG(ASCP) and CG(ASCPi): Examination Content Guideline
• Preparation of Peripheral Blood Cells for Chromosome Analysis
• KaryoMAX Colcemid Solution: Instructions for Use, revision B.0
• Phytohaemagglutinin, Reagent Grade: Instructions for Use
• ACMG Technical Standards for Clinical Genetics Laboratories: Section E, Clinical Cytogenetics
• European recommendations and quality assurance for cytogenomic analysis of haematological neoplasms
• European guidelines for constitutional cytogenomic analysis
• IGH/MYC IQFISH Dual Fusion Probe: Instructions for Use
• MedlinePlus Genetics: Can changes in the structure of chromosomes affect health and development?
• MedlinePlus Genetics: Down syndrome
• MedlinePlus Genetics: Turner syndrome
• NHGRI: Chromosome Abnormalities Fact Sheet
• NHGRI Talking Glossary: Translocation
• Nikon MicroscopyU: Numerical Aperture
• Nikon MicroscopyU: Introduction to Fluorescence Microscopy
• OSHA: Occupational exposure to hazardous chemicals in laboratories
• CMS State Operations Manual: Appendix C, Subpart K
• 42 CFR Part 493: Laboratory Requirements, October 1, 2025 edition
• HHS: Summary of the HIPAA Privacy Rule
• MedlinePlus Genetics: How do geneticists indicate the location of a gene?