Introduction: Facial and body asymmetry to some extent is present in all individuals. Because fluctuating asymmetry is of a stochastic nature, it cannot be studied at the level of individuals, but only its groups can be considering during studying the populations. Material and Methods: We conducted a survey of 200 students of 8–11 grades, from 13 to 17 years old, residents of Ukraine. Asymmetry measurements were made in the program GIMP-2.8. Results: Population distribution of eight points of the face asymmetry among the population of Ukraine was studied. Sex dimorphism was found under all average indicators of absolute and relative asymmetry. Higher indicators of asymmetry were common to males and also typical for the lower part of the face. Discussion and Conclusion: Obtained data complement the existing study on facial asymmetry in human. Some of our results are consistent with the existing data from previous studies of the world population, while others point to the differences of Slavic population in a number of features related to the facial asymmetry.

Background: Migration is a very important and powerful factor of population dynamics. It can lead to evident genetic consequences, like allele frequency change, as well to non-direct effects by creating new environment for migrant genes to be realized, and different personality and somatic traits, governed by these genes, to be expressed, accordingly. Aim: The aim of this research was to assess the impact of migration on the level of empathy and aggression among native population and migrants of the Ukrainian megapolis. Subjects and methods: Altogether 444 males and 597 females – permanent residents of Kharkov aged 45–65 years passed a test for the level of aggression by Assinger's questionnaire and for the level of empathy by Mehrabian-Epstein's questionnaire. Results: Place of birth of both subjects and their parents was taken into account. The migration and the “alien” genes appear to increase the level of aggression and reduce the level of empathy. Combined action of these factors resulted in an average level of empathy by 15–16% and aggression by 5–6%. Conclusion: Variation in the level of aggression is much more dependent on the genetic factor (4%) rather than on the environmental (1.8%). The rate of the environmental factor in the empathy variation is 9%, when the genetic − 7%. Keywords: Migration, Ukraine, Aggression, Empathy

Permanent residents of Kharkiv (637 men and 856 women at the age of 45–65 years) are tested on the level of aggression and empathy. The average aggression level (41.7 points) is higher in migrants (born outside Kharkiv) than in indigenous people (36.3 points); the average empathy level is lower in migrants (3.2 points) than in indigenous people (5.5 points). The average values of the aggression and empathy indices are not associated with ethnicity and degree of miscegenation. The correlation between spouses (r) by these personal features is within 0.20–0.31; the marriage conjugation index (K) is 0.13–0.18. Genotyping of the married couples for the rs2235186 SNP of X-linked monoaminooxidase (MAO-A) gene detected a positive marriage assortativeness: the C × CC and T × TT pairs are developed more frequently than during panmixia; the C × TT and T × CC pairs, less frequently. The T allele is coupled with increased aggression level and decreased empathy level. The phenotypes of heterozygous women indicate the intermediate inheritance of these traits.