Question

Myelogenous leukemia is due to

• A. Complete loss of one chromosome of 21st chromosome pair
• B. Translocation of a part of chromosome number 8 in to chromosome 14
• C. Deletion in long arm of chromosome 18
• D. Deletion of log arm of chromosome 22 and its addition to chromosome 9

Answer 1

The correct option is D Deletion of log arm of chromosome 22 and its addition to chromosome 9

• Myelogenous leukemia is a disease in which the bone marrow makes too many white blood cells.
• Chronic myelogenous leukemia (also called CML or chronic granulocytic leukemia) is a slowly progressing blood and bone marrow disease that usually occurs during or after middle age and rarely occurs in children.
• It is due to the Deletion of the long arm of chromosome 22 and its addition to chromosome 9'.
• So, the correct answer is 'Deletion of the long arm of chromosome 22 and its addition to chromosome 9'.