Chromosome Analysis test is performed on a sample of bone marrow to measure the level of Chromosome in the bone marrow.It is performed to confirm Chromosomal Abnormality, Chronic Myeloid Leukemia, Down's Syndrome, Genetic Disorder and Malignancy and also during the treatment and after the treatment of Chromosomal Abnormality, Chronic Myeloid Leukemia, Down's Syndrome, Genetic Disorder and Malignancy.