<prompt> What is the probable genetic defect in this child with recurrent infections, tetany, oral candidiasis a hea murmur?21q deletion21p deletion22q deletion22p deletion  <response>: Digeorge syndrome: Caused by 22q deletion C- Cardiac anomaly A- Abnormal facies hypeelorism, antimongoloid slant, sho philtrum, mandibular hypoplasia. T- Thymic hypoplasia C- Cleft palate H- Hypocalcemia 