Medical Genetics - V. M. Zaporozhan 2005

Methods of diagnosing hereditary diseases
Cytogenetic methods
Efficacy of cytogenetic methods

The modern Classification of the main Cytogenetic Methods can be represented as follows.

Class="center">

Table 10.1 presents data on the efficacy of various cytogenetic methods for diagnosing chromosomal abnormalities.

Table 10.1. Efficacy of various cytogenetic methods in the Diagnosis of chromosomal pathology (T. B. Zerova-Lyubimova, N. G. Gorovenko, 2003)

Main cytogenetic methods

Proportion of chromosomal pathology detectable using this technique, %

Karyotyping with routine staining

30

G-banding and other differential staining methods for metaphase Chromosomes

60

Prometaphase chromosome analysis (high-resolution banding)

75

Molecular Cytogenetic Methods (FISH assay)

Up to 95-99



Last update: 11/08/2026

Editorial and Educational Adaptation: This material has been compiled based on the primary/original source text. The project team performed an editorial review, corrected technical inaccuracies, structured sections, and adapted the content for an educational format.

What was processed:

  • elimination of formatting defects (OCR errors, structural breaks, corrupted characters);
  • editorial organization of content;
  • standardization of terminology in accordance with academic sources;
  • verification of factual statements against the original source text.

All mentions of the author, publication year, and origin of the primary text have been preserved in accordance with the source.