What is DiGeorge syndrome, and its feature.

What are the features of DiGeorge syndrome.  The definition of a chromosome is a thread-like structure of DNA (nucleic acids and proteins) that carries genes. The "X" or "Y" gene that determines whether you are female or male at concetpion.

The following are the most common features of DiGeorge syndrome. However, not every child will have every feature of the syndrome and the severity of the features will vary between children. Features may include:

• 69 percent have palatal abnormalities (such as cleft lip and/or palate)
• 30 percent have feeding difficulties
• 80 percent have conotruncal heart defects (i.e., tetralogy of Fallot, interrupted aortic arch, ventricular septal defects, vascular rings
• 40 percent have hearing loss or abnormal ear exams
• 30 percent have genitourinary anomalies (absent or malformed kidney)
• 60 percent have hypocalcemia (low blood calcium levels)
• 40 percent have microcephaly (small head)
• 40 percent have mental retardation (usually borderline to mild)
• IQs are generally in the 70 to 90 range
• 33 percent of adults have psychiatric disorders (i.e., schizophrenia, bipolar disorder)
• 2 percent have severe immunologic dysfunction (an immune system which does not work properly due to abnormal T-cells, causing frequent.  
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• Because no one can prevent chomosome defect, much effort should be made to live civilized, intelligent,honest and happily