The engineered bacteria (Tumefaciens) into a white rose petal, the bacteria transferred the pigment-producing genes to the rose genome, and a blue colour spread from the injection site.

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Genetically-modified humans: what is CRISPR and how does it work?

CRISPR, pronounced ‘crisper’, stands for Clustered Regularly Interspaced Short Palindromic Repeat. The name refers to the way short, repeated DNA sequences in the genomes of bacteria and other microorganisms are organised. An insight into the gene editing technique that could help eradicate health conditions and bring back the woolly mammoth.

Source: CRISPR Cas9 genome editing explained | WIRED UK

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