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DNA Fingerprinting Video Lecture | Science & Technology for UPSC CSE

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FAQs on DNA Fingerprinting Video Lecture - Science & Technology for UPSC CSE

1. What is DNA fingerprinting?
Answer: DNA fingerprinting, also known as DNA profiling or genetic fingerprinting, is a technique used to identify and analyze unique patterns in an individual's DNA. It involves the comparison of specific regions of DNA among different individuals to determine their genetic similarities or differences.
2. How is DNA fingerprinting used in criminal investigations?
Answer: DNA fingerprinting is widely used in criminal investigations to link suspects and victims to crime scenes. By comparing the DNA profile obtained from a crime scene sample with the DNA profiles of potential suspects, forensic scientists can determine if there is a match. This helps in identifying or excluding individuals as possible perpetrators.
3. Can DNA fingerprinting be used in paternity testing?
Answer: Yes, DNA fingerprinting is commonly used in paternity testing to determine the biological relationship between an alleged father and a child. By comparing the DNA profiles of the father, child, and mother (if available), scientists can establish paternity with a high degree of accuracy.
4. What are the advantages of DNA fingerprinting over traditional methods of identification?
Answer: DNA fingerprinting offers several advantages over traditional methods of identification, such as fingerprinting or blood typing. DNA is unique to each individual (except identical twins), making it a highly reliable form of identification. It can be extracted from various biological samples, including hair, blood, semen, and saliva, allowing for analysis even when other evidence may be scarce. Additionally, DNA profiling can provide information about an individual's genetic traits and susceptibility to certain diseases.
5. Are there any ethical concerns associated with DNA fingerprinting?
Answer: Yes, there are some ethical concerns associated with DNA fingerprinting. One concern is the potential misuse of genetic information, such as discrimination based on genetic predispositions for certain diseases. Privacy is also a significant concern, as individuals' genetic information can reveal sensitive details about their health or ancestry. It is essential to have strict regulations and safeguards in place to protect the privacy and confidentiality of individuals' genetic data.
146 videos|356 docs|249 tests

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