Biological material is believed to have been deposited by the individual who lef

Question

Biological material is believed to have been deposited by the individual who left the large "Big Foot" foot print in a remote mountain road in the Pacific Northwest. Which test and resultwould be consistent with the hypothesis that the biological material was deposited by 'Big Foot', a rare animal that is not the same species as a human?

Perform a PCR and electrophoresis test on the biological material and compare with the database on all humans for the DNA sequences tested. If the DNA profiles are all similar but the "Big Foot" material has some different sequence not found in any known human on the planet, a logical hypothesis is the material was left by a "Big Foot" species.

Explanation / Answer

DNA profiling looks at the non coding areas of DNA to identify pattern. These patterns are unique to individuals. Thus, the DNA profile of both human and “Big Foot” must be different.

So, the correct option is (b) - Perform a PCR and electrophoresis test on the biological material and on DNA samples of all the humans who were on that remote mountain road. If the DNA profiles are all different, the logical conclusion is the material was left by a "Big Foot" species.

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