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Discuss the role of genetics and cultural differences in thedevelopment of measured intelligence.
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Discuss the role of genetics and cultural differences in the development of measured intelligence. The issue of the role of the environment, genetics and cultural differences on the development of intelligence is a relatively complex one. There have been many studies into this area of psychology showing opposing results and theories as to which, genetics or environment has the most influencing role on determining one's intelligence. The most popular method of assessing the relative importance of heredity and environment in determining individual differences in intelligence is to conduct a twin study. There are two kinds of twins, monozygotic (MZ) and dizygotic (DZ). MZ twins derive from the same fertilised ovum and have essentially identical genotypes. It is for this reason that they are often called identical twins. DZ twins derive from two different ova and as a result, their genotypes are no similar than those of ordinary siblings. If heredity is...
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