Statement 1: DNA fingerprint provides a unique pattern for comparison.

Statement 2: A particular arrangement of nucleotides in the DNA of a person gives the DNA fingerprint.

Statement 3: Nucleotide arrangement in the DNA of a person is very specific to the person.
Choose the correct option regarding the given statements.

All the three statements are true and statement 2 and 3 correctly explain statement 1.

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All the three statements are wrong.

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Statements 1 and 2 are correct, but statement 3 is wrong.

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Statement 1 is correct, but statement 2 and 3 are wrong.

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Solution

The correct option is A
All the three statements are true and statement 2 and 3 correctly explain statement 1.

DNA fingerprint is a pattern of bands arising due to a specific arrangement of nucleotides in a person. Such a pattern is unique to every person as the nucleotide arrangement/sequence is unique to that person, just like a fingerprint. So, different sequences of nucleotides pertaining to different people will give different DNA fingerprints.
DNA band pattern for a paternity test.

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Similar questions

According to the definition of DNA fingerprinting, it is the determination of nucleotide sequences of certain areas of DNA which are unique to every individual. How do we know which part of the DNA is unique to everyone?

Q. Select the statements that are true for genes.

i. Genes are specific sequences of nucleotides in a DNA molecule.
ii. A gene does not store information for protein synthesis.
iii. In individuals of a given species, a specific gene is located on a particular chromosome.
iv. Each chromosome has only one gene.
v. Genome identification is the basis of DNA fingerprinting.

Q. 79. Consider the following statements with reference to DNA sequencing:
1. DNA sequencing is the process of determining the sequence of nucleotides in a piece of DNA.
2. DNA sequencing cannot be used to determine the paternity of the child.
3. DNA sequencing is used to identify the criminals.
Which of the above statement(s) is/are correct?

Q. Assertion: DNA fingerprinting is helpful to find out hereditary relations.

Reason: The arrangement of nucleotides among close relatives have many similarities.

The technology of testing the arrangement of nucleotides in the DNA is called DNA profiling.

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