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Question

The universal DNA probe is made up of repeated tandems of?

A
TATA
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B
GATA
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C
CACA
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D
ATGA
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Solution

The correct option is B GATA
A DNA probe is a fragment of DNA that contains a nucleotide sequence specific for the gene or chromosomal region of interest. DNA probes employ nucleic acid hybridization with specifically labelled sequences to rapidly detect complementary sequences in the test sample. GATA considers as an universal DNA probe while TATA specially as non-coding DNA sequence, CACA dependent on base pair opening and ATGA uses to examine nucleic acid and proteins.
So, the correct option is option B.

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