The molecule responsible for the transformation of characteristics form one generation to the next is called DNA. The genetic material, located in the chromosomes is a combination of acid and histones. DNA is made up of units called nucleotides. Nucleotides are made up of 3 components, a five carbon sugar (deoxyribose), a phosphate group, and a nitrogenous base. This base can be either adenine, guanine, thymine or cytosine. There are 2 strands of nucleotides in a double-helix …
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…has the ability to copy itself, is stable, yet able to be changed, and is also complex enough to determine a persons phenotype. DNA carries traits from parents to child, and then to the child's children. As long as there are humans in the world, a person can never truly die because they traits will always be present in their offspring. BIBLIOGRAPHY 1. Cliff's quick review - Biology 2.Cliff's AP Biology preparation guide 3.Fifth Edition Biology