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Brrunno [24]
3 years ago
11

In a gene cloning experiment, why are white colonies desirable (rather than blue colonies)?

Biology
1 answer:
gayaneshka [121]3 years ago
7 0

This is because the white colonies are the ones that have taken up the recombinant DNA, while the blue ones have not. This is called blue-white screening, a molecular cloning technique, and is conducted on X-gal medium and utilized selection using the beta-galactosidase gene.

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