DNA Model

DNA makes up all living things, and identify’s us for who we are. There are genetic codes in each strand of DNA that makes each being, individual. The DNA Strand has two sugar phosphate backbones that holds it together. Attached to the two backbones are amino nitrogen bases that contain the specific genetic information, like the color of someones eyes. There are four nitrogen bases in the DNA. The four are Adenine, Guanine, Cytosine, and Thymine. Adenine and Thymine always pair together being known as base pairs, and Cytosine and Guanine always base pairs as well. The DNA’s shape is twisted into a double helix. If you looked strait down the center of a DNA strand, it would appear hollow. A section of the DNA is called a gene, and the DNA is found in chromosomes. Chromosomes are contained our body making us human. As a human, we are all 99.9% alike with our DNA, but the smallest change in the DNA pattern can make us look completely different than our neighbor.

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