Genetic and Environmental Aspect of Human Behavior, with Special Attention on Genetic Factors and Ethical Behavior

In: Science

Submitted By lakminied12
Words 1495
Pages 6
1.0 INTRODUCTION
Human behavior is influenced both by the genes that we inherit and the environment in which we live. Some researchers are attempting to locate specific genes or groups of genes, associated with behavioral traits and to understand the complex relationship between genes and the environment. This is called research in behavioral genetics. In contrast to research into the genetic basis of diseases and disorders, researchers in behavioral genetics investigate aspects of our personalities such as intelligence, sexual orientation, susceptibility to aggression and other antisocial conduct, and tendencies towards extraversion and novelty-seeking.

2.0 WHAT IS BEHAVIORAL GENETICS?
Research in the field of behavioral genetics aims to find out how genes influence our behavior. Researchers are trying to identify particular genes, or groups of genes, that are associated with behavioral traits, and investigating the role of environmental factors.

There are several reasons why it is so difficult to find which genes have an effect on behavioral traits: more than one gene may contribute to a trait, with many genes each having a small effect; a gene may affect more than one trait (for example in mice, memory and sensitivity to pain have been found to be linked); the action of a gene depends on the presence of other genes; environmental factors may contribute to a trait; genes and the environment interact together in different ways; and genes do not have a continuous effect throughout our bodies or for all of our lives.
It is unlikely that variation in just one gene contributes to a behavioral trait. The term a ‘gene for X’ is very misleading and does not convey the complexity of genetic factors. Nor should we overestimate the predictive power of genes. The effects of genes are not inevitable.
Genes, like environmental factors, probably just make a behavior…...

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