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Gene-Environment Interaction Theory Essay

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Updated: May 14th, 2020

The paper analyzes the personal influences of gene-environment factors on human development. The doctrine was, originally, generated by the scientists, Sandra Scarr, who suggested that genes may impact the constitution of the surrounding environment, which stimulates a certain niche of human responses and to the surrounding conditions. Sandra Scarr differentiated three critical types of genotypes, which affect personality development (Scarr & McCartney, 2003).

Primarily, one relates to a passive genotype, which is shaped through the assistance of parental genes. This type of genotype implies that parents provide their children with both genes and specific conditions, in which they develop their personalities. In this way, a justification for similarities between children and parents is offered. In my childhood, I was accustomed to getting involved in multiple activities as much as possible. This factor might relate to the fact that both my mother and father are extroverts and are likely to be quite active in their occupational and every-day life. Since the early years, I revealed a strong attachment to energetic games, which is why my parents decided to impact my development by occupying me with learning arts and getting involved in professional dancing. Conclusively, I developed human and professional competencies, which correspond to the skills of my parents.

The second vital genotype, according to Sandra Scarr, is named evocative. The genotype stems from the social responses of different environments to personal development. The feedback is shaped through the interaction of experiences and character types of individuals. Concerning my evocative genotype, I can conclude that my genetic make-up provoked the establishment of my tastes and preferences. Specifically, the active lifestyle contributed to the fact that I became a sociable person with choleric temperament, which promoted high social attention to my personality development. Moreover, my genetic presuppositions drew a space for my professional realization. Thus, I decided to take up a career that is connected with interaction and persuasion since it applies to my gene make-up.

Finally, the third type of genotype is known as active. This genotype refers to the selection of environment-specific conditions, which comply with the persuasions and experiences of individuals. Despite this type is highly dependent on passive genotype since personal persuasions are formed on the basis of genes, the active genotypes are rather will-based than imposed. In my everyday life, I am constantly looking for human interaction opportunities. For instance, I am likely to get involved in discussion clubs as well as seek professional realization, which relates to managing people. Therefore, it may be concluded that personal development relies on three basic genotypes: passive, evocative, and active.


Scarr, S., & McCartney, K. (2003). How people make their own environments: A theory of genotype – environment activities. Child Development, 54(2), 424-435.

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