The FDA identifies several major food allergens, one of which is shellfish, including crab legs. Among the options provided, crab legs is classified as a major food allergen. The other options do not fall under this classification. ;
The FDA identifies crab legs as a major food allergen, classifying them under crustacean shellfish. Other options listedโoregano, strawberries, and mustard seedsโare not considered major allergens by the FDA. Therefore, the correct answer to the question is crab legs.
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