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Histones are spools of proteins that surround the chromosome and control the switching on of genes. National Human Genome Research Institute. Changes made to the protein spools that surround chromosomes are passed down generations, proving that inherited traits are decided by more than just DNA, says a new study.
There are some important things to know when considering the genetic influences on personality. First, it is important to remember that genes are not solely responsible for our personality. Personality is a complex trait. A complex trait is a trait that is influenced by many different genetic and environmental factors.Personality traits are also polygenic. This means that multiple genes are involved in determining a trait.here are some important things to know when considering the genetic influences on personality. First, it is important to remember that genes are not solely responsible for our personality. Personality is a complex trait. A complex trait is a trait that is influenced by many different genetic and environmental factors.