â¢ RECESSIVE ALLELE (noun). The noun RECESSIVE ALLELE has 1 sense: 1. an allele that produces its characteristic phenotype only when its paired allele is identical. Familiarity information: RECESSIVE ALLELE used as a noun is very rare.
Avoid in people with asthma. Avoid in people with a known allergy or sensitivity to glucosamine sulfate or its parts. Glucosamine comes from shrimp, crab, and other shellfish, and should be avoided if allergic or sensitive to shellfish or iodine.
Commonly sold forms of glucosamine are glucosamine sulfate, glucosamine hydrochloride, and N-acetylglucosamine. Glucosamine is often sold in combination with other supplements such as chondroitin sulfate and methylsulfonylmethane.Of the three commonly available forms of glucosamine, only glucosamine sulfate is given a likely effective rating for treating osteoarthritis.lucosamine is one of the most abundant monosaccharides. It is produced commercially by the hydrolysis of crustacean exoskeletons or, less commonly, by fermentation of a grain such as corn or wheat. Glucosamine appears to be safe for use as a dietary supplement; effectiveness has not been established for any condition.