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The transformants containing ______ gene will grow on plates containing antibiotics.

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in Biology – Class 12 by (271k points)
The transformants containing ______ gene will grow on plates containing antibiotics.

(a) antibiotic-resistance

(b) amino acid

(c) selectable marker

(d) vitamin-resistance

This question was addressed to me during a job interview.

Asked question is from Biotechnology in chapter Biotechnology Principles and Processes of Biology – Class 12

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Best answer
Correct answer is (a) antibiotic-resistance

Best explanation: The transformants which will be successfully transformed and consisting of an antibiotic-resistance gene will grow on plates containing antibiotics. This gene can act as a selectable marker to differentiate between transformants and non-transformants. The non-transformants will not grow on a plate containing antibiotics and will eventually die.

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