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Home > All Images > 1999 > July > 14 Jul 1999

Images Dated 14th July 1999

Choose from 14 pictures in our Images Dated 14th July 1999 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.

Computer artwork of DNA autoradiogram sequences Featured 14 Jul 1999 Image

Computer artwork of DNA autoradiogram sequences

DNA sequences. Computer illustration of autoradiograms of DNA (deoxyribonucleic acid) sequences on a page which is peeling back. The four columns of irregularly spaced bands on each autoradiogram represent a genetic sequence, or genetic fingerprint, which is unique to every individual. A DNA sample can be obtained from body tissues or body fluids such as blood. The DNA is then fragmented with enzymes, placed in a gel and separated to form the banding pattern. The bands represent the positioning of the four nucleotide bases that form DNA's genetic code. Genetic fingerprinting is used in criminal investigations and to determine paternity