COLUMBUS, Ohio – Patients with acute myeloid leukemia (AML) who enter remission with abnormal chromosomes in bone marrow cells are twice as vulnerable to recurrence of their disease as are AML ...

Human egg cells are often prone to chromosomal errors. As women age, the error rate increases sharply—and can contribute to ...

A recent study by members of the Children's Oncology Group reports results of a large trial showing that children whose leukemia cells have amplification of a portion of chromosome 21 may require more ...

Chromosomal abnormalities can include two basic categories: numerical or structural. A structural abnormality can include an alteration to the structure of the chromosome, as the name suggests.

WHEN the rubella virus infects a human fetus early in its development congenital malformations may ensue. The mechanism of this teratogenic effect is not known. It has been demonstrated 1 that when ...

A syndrome in male cats analogous to chromatin-positive Klinefelter's syndrome in human males has been demonstrated. The physical characteristics which suggested an abnormality of chromosome number in ...