Deep Impact (1998)



Concept 1: several of the items used in the film to check DNa (urine, hair and eyelashes) in fact have no DNA. A sample of hair or eyelash will have DNA if the hair follicle is still attached, but the DNA is not actually in the hair, and hair samples are often have no follicle attached. Urine also contains only a few cells where DNA could be drawn from.


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Ann Haley MacKenzie
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