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Cytogenetic Technologists

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What do cytogenetic technologists do?

Analyze chromosomes or chromosome segments found in biological specimens, such as amniotic fluids, bone marrow, solid tumors, and blood to aid in the study, diagnosis, classification, or treatment of inherited or acquired genetic diseases. Conduct analyses through classical cytogenetic, fluorescent in situ hybridization (FISH) or array comparative genome hybridization (aCGH) techniques.

This describes a U.S. occupation, not a live vacancy. Individual employers may use different titles and requirements.

Job titles to recognize in your search

O*NET reports these titles for this occupation. Compare the responsibilities in each posting before treating titles as equivalent.

  • Certified Cytogenetic Technologist
  • Clinical Cytogeneticist Scientist (CCS)
  • Cytogenetics Clinical Laboratory Specialist (CG CLSp)
  • Cytogenetics Specialist
  • Cytogenetics Technical Specialist
  • Lab Technologist (Laboratory Technologist)
  • Microarray Laboratory Technologist (Microarray Lab Technologist)
  • Molecular Genetics Technologist

Core tasks to compare with a job posting

  • Arrange and attach chromosomes in numbered pairs on karyotype charts, using standard genetics laboratory practices and nomenclature, to identify normal or abnormal chromosomes.
  • Analyze chromosomes found in biological specimens to aid diagnoses and treatments for genetic diseases such as congenital disabilities, fertility problems, and hematological disorders.
  • Prepare biological specimens such as amniotic fluids, bone marrow, tumors, chorionic villi, and blood, for chromosome examinations.
  • Harvest cell cultures using substances such as mitotic arrestants, cell releasing agents, and cell fixatives.
  • Examine chromosomes found in biological specimens to detect abnormalities.
  • Prepare slides of cell cultures following standard procedures.
  • Input details of specimen processing, analysis, and technical issues into logs or laboratory information systems (LIS).
  • Apply prepared specimen and control to appropriate grid, run instrumentation, and produce analyzable results.
  • Evaluate appropriateness of received specimens for requested tests.
  • Summarize test results and report to appropriate authorities.

Prepare an application for this occupation

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  2. Choose two or three tasks above that match the posting and your actual experience.
  3. Build a resume evidence worksheet using the skills and software relevant to that employer.
  4. Practice explaining your contribution, decisions and results before an interview.

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