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Thcas Cbdas Genes

THCAS and CBDAS genes encode the enzymes that produce tetrahydrocannabinolic acid (THCA) and cannabidiolic acid (CBDA)—the acidic precursors to THC and CBD respectively. These genes are located on Cannabis chromosome 1 and control the final biosynthetic steps in each pathway. Most modern cultivars carry dominant alleles for one or both enzymes, determining the cannabinoid profile before decarboxylation. Understanding THCAS/CBDAS inheritance remains central to predictable breeding outcomes and chemotype classification.

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Thcas Cbdas Genes strains

No strains tagged into Thcas Cbdas Genes yet — they'll appear here as breeders submit lineage records under this family.

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About Thcas Cbdas Genes

THCAS and CBDAS genes encode the enzymes that produce tetrahydrocannabinolic acid (THCA) and cannabidiolic acid (CBDA)—the acidic precursors to THC and CBD respectively. These genes are located on Cannabis chromosome 1 and control the final biosynthetic steps in each pathway. Most modern cultivars carry dominant alleles for one or both enzymes, determining the cannabinoid profile before decarboxylation. Understanding THCAS/CBDAS inheritance remains central to predictable breeding outcomes and chemotype classification.

Breeder relevance

Breeders use THCAS and CBDAS genotyping to predict offspring cannabinoid ratios and stabilize chemotypes (high-THC, high-CBD, or balanced 1:1 ratios). Selecting parent plants with known alleles at these loci significantly reduces phenotypic variance in F1 and subsequent generations.

Educational reference · Cultivar metadata only · No medical claims

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