Ethical Issues In Forensic Research

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Forensic science, known as forensics, is the application of science to law by analyzing DNA for legal evidence. DNA profiling is the predominant application and forensic science, DNA profiling allows us to take more than one sample of an unknown DNA specimen and determine if it has the same genetic match. Moreover, DNA profiling is to help determine and solve crime scenes such as murders, assaults, and rapes. The technique used for analyzing DNA is restriction fragment length polymorphism testing. It restricts the enzyme, which cuts DNA at specific sequence to break into small pieces, distinct based on location within the DNA of some specific sequence. This allows a person’s DNA to be generate and since a person’s DNA contains small differences in one of the restriction sites resulting in a different profile of restricting active fragment. Secondly, PCR is another technique wears scientist can obtain, targeted, and quickly and precisely analyze DNA in a short amount of time through blood or tissue samples to allow DNA profiling. In PCR, the samples mixed with nucleotides, replication enzymes, and other ingredients. This solution exposed to heating and cooling cycle. During the heating and cooling d …show more content…
Plants have four major periods of plant evolution that are marked terrestrial adaption. First is the origin of gametangia, which protects the embryo or sperm of plant. Second is the origin of vascular tissue it conduct water and nutrients. Third is the origin of seed where the embryo is protected from desiccation and other dangers. Fourth the origin of flower bear ovules within protective chambers called ovaries. Animals evolved from cells. One of the first cell was found 3.5 million years ago as a fossil. Animal over time transformed just like any other species. Through reproduction, animals create there young and overtime they evolve to adapt to their environment. (Simon, Dickey, & Reece,

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