Two sibs with Wolf-Hirschhorn and DiGeorge deletions resulting from an unbalanced chromosome rearrangement, 45,XX/XY, der(4)t(4;22) (p16.3;q11.2) mat,-22.

@article{Reddy1996TwoSW,
  title={Two sibs with Wolf-Hirschhorn and DiGeorge deletions resulting from an unbalanced chromosome rearrangement, 45,XX/XY, der(4)t(4;22) (p16.3;q11.2) mat,-22.},
  author={K. Sudarshan Reddy and V. {\vS}ulcov{\'a} and Bijan E Siassi},
  journal={Journal of medical genetics},
  year={1996},
  volume={33 10},
  pages={852-5}
}
A mother with apparently balanced translocation between chromosomes 4 and 22 gave birth to two children (sib 1 and twin A) with 45,XX,der(4)t(4;22) (p16.3;q11.2)mat,-22 and 45,XY,der(4)t(4; 22(p16.3;q11.2)mat,-22 karyotypes. The mother was a slow learner and required special education. The imbalance in the sibs arose through a 3:1 malsegregation in the mother. The net result was deletions 4p16.3pter and 22q11.2pter. Deletion 4p is associated with Wolf-Hirschhorn syndrome (WHS). The 22q11.2… CONTINUE READING
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