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Procedure

Abstract    

          How can you see DNA (deoxyribonucleic acid)? We thought that there were many ways to see DNA, but we only tried a couple of experiments. After researching both DNA and DNA testing (fingerprints) we came up with an experiment. This experiment studies them, so that is what we did. Doing this showed that Amanda’s right hand middle and ring finger were both pocked loops which means that the lines are coming from one side to the other side with a small circle in the turning point.  It also showed that Kelly’s right hand middle and ring finger were tentarchs meaning that the lines are going like waves from one site to the other site with a rising stick in the middle.

          Another experiment that we did was one that Mr. Larry Bogdan found for us. This was very helpful. This experiment produced a thick layer of DNA from the onion. We did this experiment by mixing ½ cup of diced onions, 1/8 tsp of salt and 1 cup of cold water in a blender on high for fifteen seconds. After blending this we poured it into three glasses equally. We let this sit for 7 minutes. Once this time was up, we added the contact solution and the alcohol. We then let this sit for a few moments to let the DNA rise into the alcohol. In the end, we had developed a stringy, clumpy mixture.

          So, we concluded that yes we can see DNA and that there are many ways to do so.  We only picked a few, but other ways that you can see DNA molecules together forming a source of identification are as follows:

    Removing 12 strands of hair from your head including the follicle.

    Pricking your finger for blood, and then looking at the blood under a microscope.

    Pushing your finger against a window or on a dusty surface then looking at the fingerprint.

    These examples do not really show DNA because you cannot see a

      molecule with the naked human eye