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Biological Approach; - Coggle Diagram
Biological Approach;
The role of genetics;
Heredity is the passing of characteristics from one generation to the next through genes, it is the reason why offspring 'take after' their parents in terms of psychological features.
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The extent to which a psychological characteristic is determined by genes or the environment is called the nature-nurture debate.
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For example, studies of identical twins have suggested that the variation in individual intelligence could be 60-80% due to genes.
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Phenotype; The physical appearance that results from the inherited information, this can be affected by the environment.
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Evaluation;
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Weaknesses;
Eugenics - the study of agencies under social control that may improve or impair the racial qualities of future generations either physically or mentally.
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The biological approach views humans as biological organisms and so provides biological explanations of all aspects of psychological functioning.
Behaviour is therefore explained by inherited genetics, biological structures within the human body and chemical changes within the human body (neurochemistry).