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There has been a debate for most of the 20th century over what truly shapes human behavior. Some believe the natural qualities we are born with contribute to how we behave, and what we do with our lives. Others believe that we are a product of our environment, and that our behavior is acquired from what we learn through our surroundings or the environment. Others argue it is a mixture of both nature and nurture that decides human similarities and differences. It is common knowledge that certain physical traits are inherited based strictly on your individual genetic makeup. “This holds true for traits such as blood type and eye color, but not so for a trait such as height (Glass, 1999)”. Height is not determined based on your genetic makeup alone but is also influenced by other environmental conditions. “These conditions vary from one’s childhood nutrition to what the conditions in the womb were (Glass, 1999)”. “Genetic studies currently being conducted are proving that human characteristics once thought of as products of one’s childhood rearing are ac