One of these isceliac disease.

In most cases, the likelihood will be small.

Identifying the Celiac Genes

Two chromosomal mutations, known asHLA-DQ2andHLA-DQ8, are commonly associated with celiac disease.

Illustration of the celiac disease gene

Laguna Design / Getty Images

By definition, HLA (human leukocyte antigen) is a cellular protein that triggers an immune response.

In fact, about 40% of the Eurpid, or caucasian, population has one of these mutations.

The test will simply tell you that you have a propensity for the disease, nothing more.

When looking for an accurate diagnosis, you must be exposed to gluten.

A genetic test can only suggest the likelihood of disease rather than offer a definitive diagnosis.

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