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Preview: ... es are polygenic.<br> Heredity in human behavior is an extremely complicated matter, as it may or may not influence an individual's personality (Cunningham, 1921). As we are all born with an individual temperament, it influences our personality. Alongside our physical features, these things are all genetic and will affect our lives and our behavior, as the environment in which we sustain ourselves will impinge itself on us. Heredity is constant through life and cannot be altered or modified in any way, as it is a part of our DNA. There are common beliefs that exist that human characteristics are affected by hereditary factors. It is believed that research shows that the abilities to perform certain behaviors from biological (heredity) factors is, however, controversial (Cunningham, 1921). On the other hand, much research and science has shown that genes lay the groundwork for many human traits. From this perspective, people are born essentially undeveloped, eventually differentiating itself through the development process.<br> Hormones are chemical substances released into the bloodstream by endoc ...

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