[The aspects of the molecular-genetic investigations of human hair depending on its morphological characteristics. I. Prognostic screening].

The objective of the present work was to develop the method for the selection of hairs suitable for the molecular-genetic investigation of nuclear DNA. It was proposed to distinguish between five groups of hair depending on its growth phase, the presence or absence of epithelial tissues at the root terminus. An algorithm was developed for carrying out prognostic screening including the morphological and cytomorphological investigations the results of which can be used to evaluate the possibility for further genotyping.