Medicine Which of the following is a poor prognostic factor in Acute Lymphoblastic Leukemia (ALL) – A Hyperdiploidy B t (9;22); t (4; 11) C 2-8 years of age D WBC count < 50,000 💡 Explanation Which of the following is a poor prognostic factor in Acute Lymphoblastic Leukemia (ALL) - ✓ Correct Answer: B. t (9;22); t (4; 11)