Forensic biology is considered one of the most important modern branches of forensic science, as it relies on the analysis of biological materials to identify individuals and link them to crime scenes. This field has witnessed significant development with technological advancements, making it a crucial tool in solving complex crimes that are difficult to resolve using traditional methods. Forensic biology primarily depends on the study of biological evidence such as blood, saliva, hair, tissues, and other bodily fluids, which can be left at crime scenes even in very small quantities. Through advanced techniques such as DNA analysis, it has become possible to identify perpetrators with high accuracy, even in cases where the evidence is limited or degraded. One of the most prominent modern applications in this field is the use of DNA fingerprinting, which is considered a unique “biological identity” for each individual (except for identical twins). This technique has contributed to solving many criminal cases, either by convicting criminals or exonerating the innocent, thereby enhancing the achievement of criminal justice. Forensic biology also plays an important role in determining the time of death by studying biological changes in the body, as well as in analyzing insects associated with corpses in what is known as forensic entomology. This helps estimate the time elapsed since death, especially in advanced stages of decomposition. In modern crimes such as cybercrime or biological terrorism, forensic biology has taken on an advanced role, as it is used to trace and analyze sources of hazardous biological materials, contributing to the protection of societal and national security. Despite its importance, this field faces several challenges, including sample contamination, improper evidence collection, and a shortage of specialized personnel. Therefore, working in this field requires high-level training and great precision in handling evidence to ensure the reliability of results. In conclusion, forensic biology represents a fundamental pillar in the modern justice system, combining science and technology to serve the truth. It is considered one of the most influential fields in solving crimes and achieving justice. Al-Mustaqbal University – the first university in Iraq.
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