Biology High School

In DNA fingerprinting technique, .......... probe is used for hybridization of DNA fragments.
A
Double stranded RNA
B
Double stranded non-radioactive DNA
C
Single stranded radioactive DNA
D
Single stranded radioactive RNA

Answers

Answer 1

In DNA fingerprinting technique, single stranded radioactive DNA probe is used for the hybridization of DNA fragments.Option a is correct.

DNA fingerprinting, also known as DNA profiling or DNA typing, is a method used to identify and compare individuals based on their unique DNA patterns. To achieve this, DNA fragments are separated using gel electrophoresis and transferred onto a solid support, such as a nylon membrane. The membrane is then exposed to a single stranded DNA probe that is complementary to a specific DNA sequence of interest.

This probe is labeled with a radioactive marker, such as a radioactive isotope, which allows for the detection and visualization of the DNA fragments that have hybridized with the probe. By comparing the resulting radioactive pattern, scientists can determine the presence or absence of specific DNA sequences in individuals.Option a is coorect.

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