Abstract
The frequency of micronuclei (MN) has been studied in 266 schoolchildren, participants of All-Ukrainian school competitions on biology and ecology. The distribution of MN frequencies was Poissonian with λ = 2.5. The mean MN frequency was 2.4 ± 0.15‰ in boys and 2.7 ± 0.14‰ in girls; the difference is not statistically significant. The individual MN frequency varied from 0 to 8.3‰ and on the average was 2.5 ± 0.11‰ which does not exceed known mean population values. We have shown differences in the MN frequency between sexes in some age groups: MN frequency was significantly higher in girls than in boys aged 16 years. The dynamics of age-related changes in the MN frequency of boys and girls also differed in the period studied (14–18 years of age).
Published Version
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