XXXXX syndrome (also called pentasomy X or 49,XXXXX) is the presence of three additional X chromosomes. Diagnosis is done by karyotyping. Approximately 25 females have been described in medical literature worldwide with this extremely rare condition. The condition was first described in 1963.
What number is missing in the sequence "49, XXXXX"?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What number is missing in the sequence "49, XXXXX"? [/INST] \n XXXXX syndrome (also called pentasomy X or 49,XXXXX) is the presence of three additional X chromosomes. Diagnosis is done by karyotyping. Approximately 25 females have been described in medical literature worldwide with this extremely rare condition. The condition was first described in 1963.</s>