By Regina Bailey. Definition: Heterozygous refers to having two different alleles for a single trait. Related Terms: Allele, Genes, Homozygous. Examples: The gene for seed shape in pea plants exists in two forms, one form or allele for round seed shape (R) and the other for wrinkled seed shape (r).
Glucosamine sulfate is a naturally occurring chemical found in the human body. It is in the fluid that is around joints. Glucosamine is also found in other places in nature. For example, the glucosamine sulfate that is put into dietary supplements is often harvested from the shells of shellfish.Glucosamine sulfate used in dietary supplements does not always come from natural sources.It can also be made in a laboratory.lucosamine sulfate is a chemical found in the human body. It is used by the body to produce a variety of other chemicals that are involved in building tendons, ligaments, cartilage, and the thick fluid that surrounds joints. Joints are cushioned by the fluid and cartilage that surround them.
Glucosamine is a supplement that some people take to support bone and joint health. It may relieve pain caused by osteoarthritis and wear and tear on the joints.The body naturally produces glucosamine, but the glucosamine found in supplements comes from shellfish or is made in a laboratory.: I have arthritis and am considering taking glucosamine. A: Glucosamine is an over-the-counter (OTC) dietary supplement used to alleviate the symptoms of arthritis. It is not a FDA-approved medication; therefore, it is has not undergone the rigorous testing and approval that the FDA performs on FDA-approved products.