One of the great mysteries surrounding cannabis has been solved. A team of scientists from the University of Toronto (U of T) has discovered how hemp and cannabis evolved from a single species—Cannabis sativa—but contain distinct chemical properties.

Hemp contains little or no THC (Tetrahydrocannabinol) but plenty of CBD (cannabidiol), while medical cannabis is rich in THC but has little or no CBD.

Genome mapping by Tim Price and a U of T team pinpointed the difference between the two plants and their active ingredients.

By examining its chromosomes with supercomputers, his team found “related enzymes that make CBD and THC occur in the same chromosome.”

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Jerry Langton ~ Leafly.com

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