Mosaic trisomy 8 is a rare genetic condition caused by an extra chromosome. Sometimes called trisomy 8 mosaicism, this condition develops well before birth. It's a result of an abnormality in how ...

Cri-du-chat (cat’s cry) syndrome is a rare disorder that causes issues with an infant’s growth and development. Some characteristics of the condition include a distinct cry that sounds like a meowing ...

Around 1 in 500 men carry an extra X or Y chromosome, according to a large study published this week in Genetics in Medicine. But most of those affected are unaware of their status, despite it ...

Turner syndrome is a chromosomal condition involving a person’s sex chromosomes. It is considered mosaic when an X chromosome is missing in some cells in people who have two X chromosomes. Share on ...

Generally, a person is born with 2 sets of chromosomes (46 chromosomes). So, what if the fetus has 69 chromosomes (three sets)? This condition is called triploidy. A fetus with this extra chromosome ...

JA Rosenfeld is an employee of Signature Genomic Laboratories, a subsidiary of PerkinElmer, Inc. The authors have no other relevant affiliations or financial involvement with any organization or ...

Although mental disorders have multifactorial causes, genetics can explain some of them, yet this field remains largely unexplored in terms of guiding diagnoses and treatments. In the largest study of ...

The impact of clonal size on the revised international prognostic scoring system (R-IPSS) in myelodysplastic syndromes (MDS) with a single cytogenetic abnormality. Effect of enforced expression of ...