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COL1A2 rs1085307707: Understanding This Genetic Variant

rs1085307707
Health Predisposition
Moderate evidenceGene: COL1A2

The rs1085307707 variant is a genetic change located within the COL1A2 gene, which provides instructions for building type I collagen. This variant is studied for its potential influence on the structural integrity of connective tissues throughout the body.

What each genotype means

G/GLower attention

Common genetic profile

This is the most frequently observed genotype for this variant in the general population. It is considered the baseline state, and there is no evidence suggesting this specific genotype contributes to collagen-related connective tissue disorders.

This is the most common genotype found across global populations.

G/ALower attention

Variant carrier profile

Carrying one copy of the A allele is a known variation for this site in the COL1A2 gene. Current clinical databases generally classify this as a common variant, but because COL1A2 variants can be associated with connective tissue integrity, individuals should monitor for any unexplained symptoms related to bone or skin health.

This genotype is observed at lower frequencies than the homozygous G/G state but remains present in the general population.

A/AModerate attention

Rare variant profile

This homozygous genotype is rare and represents a distinct variation in the COL1A2 gene. While this gene is linked to collagen-related conditions, this specific variant is frequently annotated in clinical databases without a definitive pathogenic classification; consult a genetic counselor if you have concerns regarding connective tissue health.

This genotype is rare and occurs at a very low frequency across most studied ancestral populations.

What is the rs1085307707 Variant?

The rs1085307707 variant is a specific single nucleotide polymorphism (SNP) found within the sequence of the COL1A2 gene. In genomics, a SNP represents a variation at a single position in the DNA chain. This particular variant is cataloged in major genetic databases, which track its location on chromosome 7. Because the human genome is vast, researchers use these rsID numbers to precisely identify and study specific locations where individuals may differ. While many variants in the human genome are benign and have no observable effect on health, others are investigated for their potential to alter how genes function or how proteins are constructed. The rs1085307707 variant is currently monitored in clinical and research databases to better understand its presence in the general population and its potential role in biological processes related to connective tissue.

The Role of the COL1A2 Gene

The COL1A2 gene is essential for the production of the pro-alpha2 chain of type I collagen. Collagen is the most abundant protein in the human body and acts as a primary structural component of connective tissues, including skin, bone, tendons, ligaments, and the cornea. To form a functional collagen molecule, the body combines two alpha1 chains (encoded by the COL1A1 gene) with one alpha2 chain (encoded by the COL1A2 gene). This triple-helix structure provides the necessary strength and flexibility for various tissues to function correctly. When the instructions provided by the COL1A2 gene are altered, it can potentially affect the assembly or stability of these collagen fibers. Because collagen is so widely distributed, variations in this gene are frequently studied in the context of conditions that affect the skeletal system, skin elasticity, and joint stability.

Research and Clinical Associations

Scientific research into the COL1A2 gene has established that mutations in this region can be associated with various connective tissue disorders, such as osteogenesis imperfecta and certain types of Ehlers-Danlos syndrome. These conditions often manifest as increased bone fragility, joint hypermobility, or skin abnormalities. However, it is important to distinguish between rare, highly penetrant mutations that cause specific diseases and common variants like rs1085307707. Current evidence for rs1085307707 is considered moderate, meaning that while it is frequently annotated in clinical databases, its specific impact on health outcomes is still being characterized by the scientific community. It is not uncommon for variants to be identified in large-scale studies without a clear, direct link to a specific medical diagnosis. Researchers continue to analyze whether this variant contributes to subtle differences in connective tissue integrity or if it remains a neutral variation within the population.

Interpreting Your Genetic Information

If you have received information about your genotype for rs1085307707, it is helpful to view it as one small piece of a much larger biological puzzle. Genetic variants do not act in isolation; they interact with other genes, environmental factors, and lifestyle choices to influence your overall health. Because the evidence regarding this specific variant is still evolving, it is not a diagnostic tool and cannot predict specific health outcomes. If you are concerned about symptoms related to connective tissue, such as frequent fractures, joint issues, or skin concerns, the most appropriate step is to consult with a healthcare professional or a genetic counselor. They can provide context based on your personal and family medical history. Never use genetic data to make independent medical decisions or to alter any prescribed treatments without first discussing the information with your clinician.

How common is this variant?

The rs1085307707 variant is documented as a common variant across various human populations, appearing frequently in large-scale genomic datasets.

Frequently asked questions

Is rs1085307707 a cause of disease?

The rs1085307707 variant is a common genetic marker and is not typically classified as a direct cause of disease. While the COL1A2 gene is associated with connective tissue disorders, most common variants like this one do not have a significant impact on health.

Should I be worried if I have this variant?

There is no reason for concern based on this variant alone. It is a common part of human genetic diversity, and most people who carry it experience no health issues related to it.

Can I use this information to diagnose a condition?

No, genetic variants like rs1085307707 cannot be used for self-diagnosis. Medical diagnoses require a comprehensive evaluation by a doctor, including physical exams and clinical testing.

Where can I learn more about my specific results?

If you have questions about your genetic data, you should speak with a certified genetic counselor or your primary care physician. They can help interpret your results in the context of your overall health.

Sources & further reading

Educational information only, last refreshed 10/8/2026. Not medical advice — these associations describe population statistics, not individual predictions.

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Related variants in COL1A2