The correct answer is: all of the above. Screening or presumptive testing is a type of testing that is used to quickly and efficiently identify the presence of certain substances or characteristics in a sample. This type of testing is important for a number of reasons:
- It saves time: Screening or presumptive testing allows analysts to quickly identify the presence of certain substances or characteristics in a sample, which saves time compared to more complex and time-consuming testing methods.
- It saves money: Screening or presumptive testing is often less expensive than more complex testing methods, which can save money in the long run.
- It is less complex than DNA typing: Screening or presumptive testing is generally less complex and time-consuming than DNA typing, which involves analyzing the genetic material of a sample.
- It types the blood stain/sample into ABO and Rh groups: Screening or presumptive testing can be used to quickly identify the ABO and Rh blood groups of a blood sample, which is important in medical settings for blood transfusions and other purposes.
Overall, screening or presumptive testing is an important tool that can save time, money, and resources while providing valuable information about the characteristics of a sample.
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