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Nature Vs Nurture: Do Genes Or Environment Matter More?

1084 words - 5 pages

Throughout the years, it has been debated whether
people are born the way they will be forever or if the society they
grow in creates all of their attributes. This nature versus nurture
debate affects many aspects of life, including the treatment of serial
killers and psychopaths, and recognition of emotional and mental
disorders, the acceptance of homosexuality, and even video game
regulation. The nature theory states that only a person’s genes develop
their personality, while the nurture theory states that personality is
developed only because of the impact of society (human). This debate
has been a controversial issue since the beginning of sociology, the
study of society and ...view middle of the document...

This data provides
support for the nature theory, backing up the idea that emotional
disorders are strictly from birth. In addition, though the majority of
serial killers lack education, they still possess wit and cleverness,
making them naturally candidates for violent behavior. Even though they
lack schooling, a major component of nurture, serial killers tend to
naturally have components that make them ideal for being a killer.
Also, twins have strikingly similar behaviors, even when reared apart.
Identical twins share 100% of their DNA and fraternal twins share 50%
of their DNA (Powell), and are created in the same womb simultaneously,
providing optimal conditions for determining if DNA is the ultimate
factor in personality development. When brought up together, they often
exhibit very similar traits. In one case where two identical twins were
brought up apart, they still exhibited very similar traits (Powell),
providing evidence that DNA is the main contributor to peoples’
Although there is evidence supporting the nature theory,
many sociologists today believe that personality is developed through
society one is placed in. For example, reaction to narcotics would be
the same all over the world if DNA provided personality. Instead,
drunks in eastern Bolivia and Oaxaca, Mexico are not aggressive when
drunk like Americans and many eastern Europeans are. If it was human
nature that regulated how people acted under the influence of alcohol,
it would be the same everywhere and not vary regionally (Powell). In
addition, drunks among the Kaingang Indians in Brazil are very violent
while drinking, which is typically expected in that specific culture
(Powell). This study provides examples of society directly effecting
human behavior. Also, research shows violent video games make children
that play them consistently more violent. An experiment was conducted
in which two groups of teens played two types of video games, one
purely adrenal and the other violent. Brain scans were taken of the
teens directly after game play. The results showed decrease in brain
activity in the areas that involved self control, inhibition, and
attention in the brains of the children playing the violent game, but
not the adrenal one (Video). The results of the game were tested on
children with and without behavioral disorders, with the effects being
generally the same on both. This proves that the games are the cause...

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