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.
Chondroitin is a molecule that occurs naturally in the body. It is a major component of cartilage, the tough, connective tissue that cushions the joints. Commercial chondroitin comes from natural sources, such as shark and bovine cartilage, or synthetic production. Chondroitin helps keep cartilage healthy by absorbing fluid (particularly water) into the connective tissue.
Glucosamine hydrochloride is one of the three different forms of glucosamine (the others are glucosamine sulfate and N-acetyl glucosamine).t is derived from the shells of lobsters, shrimp, and crabs. Glucosamine hydrochloride is often used in combination with chondroitin, another dietary supplement.