Chromosome abnormality is the condition in a cell or organism where the number of chromosomes or the structure of any chromosome differs from the normal karyotype. When the variant genotype is not ...

Because advanced maternal age is associated with an increased risk of fetal chromosome abnormalities, the ages of the women in the two groups were evaluated. Age data were available for only ...

7 It therefore appeared reasonable to investigate systematically the chromosomes in a group of patients to determine if any abnormalities could be found in this condition. Constitutional aplastic ...

What are chromosomal abnormalities? Learn how and why they can result in miscarriage or chromosomal disorders. Finding out you're pregnant should be an exciting time, but it can also be stressful.

On the rare occasion that errors do occur, cells with abnormal chromosome numbers are rapidly cleared. But cancer is different. Tumor cells are remarkably tolerant of chromosomal abnormalities, and ...

Researchers have uncovered which genes on the Y chromosome regulate the development of sperm and impact fertility in male mice. This research could help us understand why some men don't produce enough ...

A study conducted by a research team at the Crick Institute identified important genes on the Y chromosome that regulate ...

2013;13(6):601-611. In other situations, normal microarray analysis in the presence of an abnormal karyotype, such as marker chromosomes, is reassuring, as it indicates that the marker is lacking ...

but did lead to the production of abnormal sperm when removed together. This was the case for a group of three genes which model a region of the chromosome called AZFa in humans. AZFa deletions ...

but did lead to the production of abnormal sperm when removed together. This was the case for a group of three genes which model a region of the chromosome called AZFa in humans. AZFa deletions ...