3 years ago

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

1 answer:

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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