Summary
A gene dosage effect was observed for esterase D in a patient with trisomy 13. Isoelectric focusing of hemoglobin from the same patient showed three unidentified bands. A gene dosage effect for several other enzymes was not observed in two other patients with trisomy 13.
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Sparkes, R.S., Sparkes, M.C. & Crist, M. Expression of esterase D and other gene markers in trisomy 13. Hum Genet 52, 179–183 (1979). https://doi.org/10.1007/BF00271571
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DOI: https://doi.org/10.1007/BF00271571