<prompt> The presence of the philadephia chromosome is associated with a worse prognosis in patients with which of the following diseases?Acute lymphoblastic leukemiaAcute myelogenous leukemiaChronic lymphocytic leukemiaChronic myelogenous leukemia  <response>: The presence of the philadelphia chromosome a translocation from the long arm of chromosome 22 to chromosome 9 t,9,22 is associated with a more ourable prognosis in patients with chronic myelogenous leukemia but is associated with an unourable outcome in Acute lymphoblastic leukemia. ref Robbins 8th603 