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Cytogenetics Technologist (CG) Practice Test

69 questions available

The Cytogenetics Technologist CG Practice Test is a comprehensive assessment tool designed for clinical laboratory scientists, cytogenetic technologists, and students preparing for certification or competency evaluation in the field of cytogenetics. This 69-question exam covers four core domains: Chromosome Analysis, Cytogenetics Interpretation, Laboratory Operations, and Specimen Processing. The test evaluates a candidate's ability to perform and interpret karyotyping, fluorescence in situ hybridization (FISH), and chromosomal microarray analysis, as well as their understanding of quality control, regulatory compliance, and specimen handling protocols. It is intended for practicing technologists seeking to validate their knowledge, individuals preparing for the American Society for Clinical Pathology (ASCP) Technologist in Cytogenetics (CG) certification exam, and laboratory supervisors assessing staff readiness. By taking this practice test, users will gain a clear understanding of their strengths and weaknesses across key subject areas, improve their test-taking endurance, and build confidence in applying theoretical knowledge to real-world laboratory scenarios. The content reflects current best practices and standards from CLIA, CAP, and ACMG guidelines, ensuring relevance to modern clinical cytogenetics laboratories.

Certification exam
100 Exam questions
2 hours Time Limit
Career Opportunities & Salary
Entry – Lab Technician $35,000 - $54,000
Mid-Career – Medical Laboratory Scientist $51,000 - $78,000
Senior – Senior Lab Specialist $66,000 - $101,000
Lab TechnicianMedical Laboratory ScientistSenior Lab Specialiststable market
Why This Certification Opens Doors

Cytogenetics technologists play a critical role in diagnosing genetic disorders, hematologic malignancies, and congenital abnormalities. Errors in chromosome analysis or interpretation can lead to misdiagnosis, inappropriate treatment, or missed therapeutic windows. This practice test directly impacts patient care by reinforcing the precision and analytical rigor required in the laboratory. Mastery of these topics ensures that technologists can accurately identify structural and numerical chromosomal abnormalities, properly process and culture specimens, and maintain compliance with regulatory standards. The practical value extends beyond exam preparation: it sharpens the skills needed to troubleshoot failed cultures, recognize artifacts, and communicate findings effectively with genetic counselors and physicians. For laboratory managers, this test serves as a benchmark for staff competency and a tool for identifying areas needing continuing education.

Exam Blueprint

Each domain is weighted to match the real certification exam, so a full practice simulation predicts your result.

01Chromosome Analysis
45-50%
02Specimen Processing
20-25%
03Laboratory Operations
10-15%
04Cytogenetics Interpretation
Exam Details CG | $135 USD | 2 hours
Exam Code CG
Vendor ASCP Board of Certification
Exam Cost $135 USD
Passing Score 400
Time Limit 2 hours
Exam questions 100
Question Types Multiple Choice (single best answer)
Retake Policy Candidates must wait 90 days between attempts. Maximum of 6 total attempts per credential. Full exam fee required for each attempt.
Exam Format Linear fixed-form computer-based examination (CBE)
Online Proctoring Available
Available In
English
Study Resources
ASCP BOC Exam Content Guidelines
ASCP Board of CertificationFree
Free content guidelines per credential available on ASCP BOC website
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ASCP BOC Practice Exams
ASCP Board of CertificationFree
Official ASCP practice exams sold through ASCP marketplace
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Frequently Asked Questions

How should I use this practice test to prepare for the ASCP CG certification exam?

Take the test under timed conditions to simulate the exam environment. After completing, review each question thoroughly, especially those you answered incorrectly. Focus on understanding the rationale behind correct answers, not just memorizing them. Use the results to identify weak areas, then dedicate study time to those specific topics using textbooks, online resources, or review courses.

Are the questions based on current guidelines and technologies?

Yes. The content is aligned with current CLIA, CAP, and ACMG standards, and includes questions on FISH, chromosomal microarray, and modern culture techniques. However, always cross-reference with the most recent edition of your primary study materials, as guidelines can evolve.

What is the passing score for this practice test?

This practice test does not have a fixed passing score. Instead, use it as a diagnostic tool. Aim for 80% or higher to indicate strong readiness for certification. If you score below 70%, focus on foundational knowledge before retesting.

Can I retake the practice test?

Yes. Retaking the test after additional study can help measure improvement and reinforce learning. Be aware that repeated exposure may inflate scores if you memorize answers rather than concepts. Use each attempt to deepen understanding.

Does this test cover FISH and microarray interpretation in detail?

Yes. The Cytogenetics Interpretation section includes questions on FISH probe selection, signal patterns, and microarray interpretation, including copy number variants and regions of homozygosity. Expect scenario-based questions that require you to correlate results with clinical indications.

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