Which of the following is NOT considered a good source of DNA?

Master the CHHS CSI Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

The assertion that items with significant contact are not considered a good source of DNA may overlook the important context of how DNA is collected and analyzed in forensic science. Items that have had significant contact with a person, such as clothing, objects they frequently handle, or anything with bodily fluids, skin cells, or other biological materials, can actually be strong sources of DNA evidence.

In forensic investigations, commonly touched items and fingerprint smudges can also yield viable DNA, as they often contain skin cells and sweat from the individual. Bricks and sticks, while they can be potential sources of DNA if they've come into contact with a person or biological material, are less reliable than items that have had direct skin contact.

Therefore, items with significant contact are, in fact, some of the best sources of DNA. This understanding is essential for successful crime scene investigation and DNA analysis, as detecting DNA evidence plays a critical role in linking individuals to crime scenes or confirming their identity.

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