DNA profiling Grade 12 Life Sciences Notes with Activities Questions and Answers DNA profiling, also known as DNA fingerprinting or DNA typing, is a technique used to identify individuals based on their unique DNA characteristics. It relies on the fact that every individual (with the exception of identical twins) possesses a distinct genetic makeup encoded in their DNA molecules.
Notes
Every person except identical twins has her/his own unique DNA profile. It can be described as an arrangement of black bars representing DNA fragments of the person.
It is used to:
- Identify criminals
- Identify dead bodies
- Identify relatives
- Identify paternity
Video Lesson on DNA profiling:
Question and Answers Activities:
Find short and long questions for Grade 12 Life Sciences, which will help you to prepare for the exams, tests, practical tasks, and assignments.
EXAM TIP: The structure of the DNA and RNA molecule is very important and is often examined almost every year in Grade 12. Make sure that you know the labels of each component. Remember to label the diagram first and then move onto the questions