Question

Explain the topic DNA FINGERPRINTING . .......

Answer 1

Answer:

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What is DNA fingerprinting (DNA Profiling)?

Answer:– Leicester University geneticist Alec Jeffrey's developed a technique called DNA fingerprinting in 1985. It's allows DNA samples from different people to be compared to look for similarities and differences it's used for solving crimes and can also confirm if people are related to each other like in paternity testing any two people in the world have 99.9% of their DNA the same so this process analyses the differences in the remaining 0.1% this modern technology is called DNA profiling it's a very sensitive technique which only needs a few skin cells a hair root or tiny amount of blood or saliva there are sections or loci of chromosomes where instead of a gene consisting of a long sequence of bases there are much shorter sequences of three, four or five bases many times.

Answer 2

Answer:

DNA fingerprinting is a laboratory technique used to establish a link between biological evidence and a suspect in a criminal investigation. A DNA sample taken from a crime scene is compared with a DNA sample from a suspect. If the two DNA profiles are a match, then the evidence came from that suspect.

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