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DNA fingerprinting involves identifying differences in some specific regions in DNA sequence, called as:
- a)Satellite DNA
- b)Repetitive DNA
- c)Single nucleotides
- d)Polymorphic DNA
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
DNA fingerprinting involves identifying differences in some specific r...
Repetitive DNA
DNA fingerprinting involves identifying differences in specific regions of DNA sequence known as repetitive DNA. Repetitive DNA sequences are short, repeated sequences of nucleotides that are found in multiple copies throughout the genome. These regions are highly variable between individuals, making them ideal for distinguishing between different individuals based on their DNA profiles.
Importance of Repetitive DNA in DNA fingerprinting
- Repetitive DNA sequences are unique to each individual, providing a distinct genetic profile that can be used for identification purposes.
- By analyzing the variations in repetitive DNA sequences, scientists can create a DNA fingerprint that is specific to an individual.
- The presence or absence of certain repetitive DNA sequences in a DNA sample can be used to determine relationships between individuals, such as paternity testing.
Techniques used for analyzing Repetitive DNA
- Polymerase Chain Reaction (PCR): PCR is a technique used to amplify specific regions of DNA, including repetitive DNA sequences, for analysis.
- Gel Electrophoresis: Gel electrophoresis is used to separate DNA fragments based on size, allowing scientists to visualize and compare the patterns of repetitive DNA sequences.
- Hybridization: Hybridization techniques can be used to detect the presence of specific repetitive DNA sequences in a DNA sample.
Conclusion
In conclusion, repetitive DNA sequences play a crucial role in DNA fingerprinting by providing a unique genetic profile for each individual. By analyzing the variations in repetitive DNA sequences, scientists can accurately identify and distinguish between individuals based on their DNA profiles.
DNA fingerprinting involves identifying differences in specific regions of DNA sequence known as repetitive DNA. Repetitive DNA sequences are short, repeated sequences of nucleotides that are found in multiple copies throughout the genome. These regions are highly variable between individuals, making them ideal for distinguishing between different individuals based on their DNA profiles.
Importance of Repetitive DNA in DNA fingerprinting
- Repetitive DNA sequences are unique to each individual, providing a distinct genetic profile that can be used for identification purposes.
- By analyzing the variations in repetitive DNA sequences, scientists can create a DNA fingerprint that is specific to an individual.
- The presence or absence of certain repetitive DNA sequences in a DNA sample can be used to determine relationships between individuals, such as paternity testing.
Techniques used for analyzing Repetitive DNA
- Polymerase Chain Reaction (PCR): PCR is a technique used to amplify specific regions of DNA, including repetitive DNA sequences, for analysis.
- Gel Electrophoresis: Gel electrophoresis is used to separate DNA fragments based on size, allowing scientists to visualize and compare the patterns of repetitive DNA sequences.
- Hybridization: Hybridization techniques can be used to detect the presence of specific repetitive DNA sequences in a DNA sample.
Conclusion
In conclusion, repetitive DNA sequences play a crucial role in DNA fingerprinting by providing a unique genetic profile for each individual. By analyzing the variations in repetitive DNA sequences, scientists can accurately identify and distinguish between individuals based on their DNA profiles.
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Community Answer
DNA fingerprinting involves identifying differences in some specific r...
DNA fingerprinting is a very quick way to compare the DNA sequences of any two individuals. DNA fingerprinting involves identifying differences in some specific regions in a DNA sequence called repetitive DNA because, in these sequences, a small stretch of DNA is repeated many times.
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DNA fingerprinting involves identifying differences in some specific regions in DNA sequence, called as:a)Satellite DNAb)Repetitive DNAc)Single nucleotidesd)Polymorphic DNACorrect answer is option 'B'. Can you explain this answer?
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