Medical Marijuana Genetics Introduction. Beautiful collection of marijuana strains with the most beneficial therapeutic effects. It includes five top quality strains that are CBD dominant (up to 20:1) or CBD rich (1:1) and all contain a minimum of 8% CBD. The manageable number of strains has been extremely beneficial to the cultivation, testing and quality control stages of production. Using High Power Liquid Chromatography, each strain in the Medical Marijuana Genetics collection holds individual laboratory reports that detail a comprehensive breakdown of cannabinoid content levels. Add Medical Marijuana Genetics high CBD seeds to your souvenir collection.