The digeorge syndrome is a genetic disorder, which caused by the deletion in the chromosome number 22. This disease is characterized by the congenital heart disease, immunodeficiency, and hypocalcemia.
In this case, the most frequent clinical manifestation is hypocalcemia. Hypocalcemia is the condition, in which the blood calcium level would be declined to a significant level.
It is apart of cellular DNA an ATP, and is a major component of bones and teeth, it is often only available in limited quantities in the the environment.