A study on the extra chromosomes titled "Detection and characterization of male sex chromosome abnormalities in the UK Biobank study" has been published in the journal Genetics in Medicine. Data from ...

For Ashley Zambelli, a surprise diagnosis allowed her to have an even more special bond with her children. The Michigan-based mom, 23, recently found out she has Mosaic Down syndrome, a condition in ...

Cancer cells with extra chromosomes depend on those chromosomes for tumor growth, a new study reveals, and eliminating them prevents the cells from forming tumors. The findings, said the researchers, ...

A hallmark of cancerous cells is an abnormal number of chromosomes or chromosome arms, known as aneuploidy. While aneuploidy is detrimental to regular cells, it occurs in as many as 90% of tumors. How ...

An individual with Down syndrome and a male calico cat have one thing in common—each has an extra chromosome. For animals, most instances of an extra chromosome result in birth defects or even death, ...

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 ...

Researchers have uncovered a serious risk for folks who have an extra X or Y chromosome. Those with the genetic condition known as supernumerary sex chromosome aneuploidy have a risk for blood clots ...

Yale scientists have discovered a new potential treatment avenue to fight cancer. Using CRISPR gene-editing, the team eliminated extra chromosomes from cancer cells and found that they could no longer ...

Klinefelter syndrome is a genetic condition that affects males, and is often not diagnosed until adulthood. Most males with the syndrome produce little or no sperm. Do you know?Parents, Klinefelter ...

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 ...