First analyze the force that is acting on each charge. The force is determined by the two. objects interacting. If you start with Case 1, the charges are q and 4 q with a separation of d. That means. the force is 4kqq/d2 .
DNA is the most powerful tool available for identification in forensic investigations. Because of its ability to link physical evidence found at a crime scene to a single person, it is often referred to as a âdigital fingerprint.â This method is so precise that it can ensure pinpoint accuracy, down to one in a billion.
Genetic testing is a type of medical test that identifies changes in chromosomes, genes, or proteins. The results of a genetic test can confirm or rule out a suspected genetic condition or help determine a personâs chance of developing or passing on a genetic disorder.More than 1,000 genetic tests are currently in use, and more are being developed. Several methods can be used for genetic testing:Molecular genetic tests (or gene tests) study single genes or short lengths of DNA to identify variations or mutations that lead to a genetic disorder.he results of a genetic test can confirm or rule out a suspected genetic condition or help determine a personâs chance of developing or passing on a genetic disorder. More than 1,000 genetic tests are currently in use, and more are being developed.