// Science · Glossary

Genetic Sex Testing

⚗️ Science First mentioned: Ep. 089

DNA-based testing to determine the sex of cannabis seedlings before they express physical sex characteristics, allowing cultivators to identify and remove males early, saving weeks of growing time and resources.

Kevin McKernan discussed how Medicinal Genomics was developing genetic sex testing as a practical tool for cultivators. This allows growers to test seedlings and know within days whether they are male or female, rather than waiting weeks for the plant to show sex. The team was investigating multiple sex testing markers to improve accuracy. This technology was particularly valuable for breeders and those working from seed rather than clones.

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