Thc Cbd Expression
THC:CBD expression refers to the ratio and absolute levels of tetrahydrocannabinol and cannabidiol produced by a plant, determined by genetic variation at the CBDA/THCA synthase locus. Cannabis plants exhibit a spectrum of chemotypes ranging from THC-dominant (minimal CBD), CBD-dominant (minimal THC), to balanced or 1:1 ratio phenotypes. Breeders classify strains along this axis because the genetic pathway controlling which synthase enzyme dominates is well-documented and heritable. Understanding THC:CBD expression is foundational to breeding programs targeting specific cannabinoid profiles, as seed selection and backcrossing strategies directly influence chemotype consistency across generations.
Thc Cbd Expression strains
No strains tagged into Thc Cbd Expression yet — they'll appear here as breeders submit lineage records under this classification.
THC:CBD expression refers to the ratio and absolute levels of tetrahydrocannabinol and cannabidiol produced by a plant, determined by genetic variation at the CBDA/THCA synthase locus. Cannabis plants exhibit a spectrum of chemotypes ranging from THC-dominant (minimal CBD), CBD-dominant (minimal THC), to balanced or 1:1 ratio phenotypes. Breeders classify strains along this axis because the genetic pathway controlling which synthase enzyme dominates is well-documented and heritable. Understanding THC:CBD expression is foundational to breeding programs targeting specific cannabinoid profiles, as seed selection and backcrossing strategies directly influence chemotype consistency across generations.
Breeders use THC:CBD expression classification to stabilize target cannabinoid ratios in F1 and F2 populations. Selecting parents with known chemotype markers and testing offspring cannabinoid profiles allows creation of predictable cultivars for diverse cultivation and extraction goals.
Educational reference · Cultivar metadata only · No medical claims