Biology, asked by glag2563, 2 months ago

how is gene Z used as a marker

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Answered by lavishasrivastav009

Answer:

How is the gene z (for β galactosidase) used as a marker? Solution: A recombinant DNA is inserted within coding sequence of β galactosidase; this results into activation of the enzyme (called insertional inactivation). It is treated with a chromogenic substance.

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