DNA Extraction, PCR, and Sequencing. Afghan OG x Strawberry Pie Extraordinary Pioneering Genetics. Cannabis seeds already contain two cotyledons or embryonic leaves that unravel and push the seed casing from the shoot.  Source: [url=https://gucci-coach.biz/2024/02/07/seeds-of-knowledge-a-complete-guide-to-cannabis-cultivation]https://gucci-coach.biz/2024/02/07/seeds-of-knowledge-a-complete-guide-to-cannabis-cultivation[/url]