[Heritability of cell size in experimental rhabdomyosarcomas]

Cell diameter and cell value variations were studied in murine and rat rhabdomyosarcomas, both in clones obtained in lung tissue, and in subcutaneous tumors. Coefficients of heritability (h2) of these characters were calculated on the basis of their variances. They were equal to 0.15--0.31 for the diameters of cells, and 0.13--0.87 for the cell volumes. The problem of investigation of heritability of quantitative characters in somatic cell populations is discussed.