Dr. Khanna explains that Down syndrome occurs when individuals inherit an extra third copy of chromosome 21, thereby causing organisational problems in their brain and body.

Alzheimer's disease, the most common form of dementia, is considered a disease of old age. But an unlikely group of 400,000 ...

The extra copy of the chromosome and disease-causing genes on it are thought to lead to slower mental and physical development, thyroid problems, heart defects and early-onset dementia in people ...

Having an extra copy of chromosome 21 leads to Down syndrome, while an absence of one X chromosome will turn women sterile as seen in Turner syndrome. In cancer cells, whole genome duplication ...

Down syndrome, which causes a range of developmental differences and affects 1 in 700 newborns in the United States, is caused by the presence of an extra copy of chromosome 21. Mongkolchon ...

When chromosomes are lost or gained, massive changes in gene expression disrupt the delicate balance of proteins in a cell. Yeasts with incorrect chromosome numbers counteract this by degrading ...

"When a cell is aneuploid, it has an altered set of chromosomes," explains Storchová. A well-known example of aneuploidy is found in people with Down-Syndrome, who have an extra copy of ...

Trisomy 18, which affects girls more than boys, happens when a person has a third copy of material from chromosome 18, instead of two. This extra material gets in the way of normal development.

Down syndrome is caused by the presence of a third copy of the 21st chromosome. The condition occurs in approximately 1 in 700 live births and is relatively easy to diagnose at early stages of ...

TOPLINE: Extra X chromosomes significantly increase the risk for systemic lupus erythematosus (SLE) and Sjögren disease, with the prevalence of these conditions being higher among patients with ...