Reading Assignment for Section 3.4

Read the following subsection from our online textbook: Section 3.4: DNA Evidence.

What You Will Learn

In this section, you’ll explore the historical development of DNA evidence in forensic science and its transformative impact on criminal investigations and the justice system. You’ll learn about best practices for collecting and preserving DNA evidence, including how to prevent contamination using personal protective equipment (PPE). Additionally, you’ll analyze key DNA analysis techniques, such as PCR, rapid DNA analysis, and Next-Generation Sequencing (NGS), and evaluate their uses and limitations. Finally, you’ll delve into the function of DNA databases like CODIS, the ethical considerations of DNA use, and the future challenges and directions in DNA forensics, including emerging technologies.

Student Learning Outcomes for Section 3.4

• SLO 1: Describe the historical development of DNA evidence in forensic science and explain its transformative impact on criminal investigations and the criminal justice system.
• SLO 2: Identify best practices for the collection and preservation of DNA evidence, including the prevention of contamination and the use of personal protective equipment (PPE).
• SLO 3: Analyze the key DNA analysis techniques, such as Polymerase Chain Reaction (PCR), rapid DNA analysis, and Next-Generation Sequencing (NGS), and evaluate their applications and limitations in forensic investigations.
• SLO 4: Explain the function and importance of DNA databases, particularly CODIS, and discuss the ethical and legal considerations associated with the storage, sharing, and use of DNA profiles in criminal investigations.
• SLO 5: Assess the challenges and future directions of DNA forensics, including emerging technologies like microbial forensics and environmental DNA (eDNA), and explore the potential ethical implications of these advancements in crime-solving.