Q.

DNA from a single cell is enough to perform DNA fingerprinting analysis because

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a

the size of VNTR is highly variable among individuals

b

VNTR probe shows very high degree of polymorphism

c

currently, many different probes are used to generate DNA fingerprints

d

the sensitivity of the technique has been increased by use of PCR

answer is B.

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Detailed Solution

The sensitivity of DNA fingerprinting technique has been increased by use of polymerase chain reaction (PCR). Consequently, DNA from a single cell is enough to perform DNA fingerprinting analysis. 

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