DEVELOPMENT AS AN OBJECT OF PSYCHOGENETIC S

Two aspects of genetic-invironmental interaction in human development- specific and individual-are analysed. The former is connected to ontog enetic realization of normative laws determining universal for human p opulation traits. Possible mechanisms of genotypic influence on psychi c development are considered Normative laws of genetic-environment int eraction and genetic-environmental interaction in individual psycholog ical traits' formation are independent phenomena. The latter can be ex perimentally studied by special genetic methods. The possibilities of these methods usage in psychological research (for instance, in the st udy of developmental stages order and of the role played by environmen tal factors in individual differences' formation) are analysed.