Down syndrome is caused by a translocation of chromosomes 15 and 21 (Figure 3), in which the long arms of two acrocentric chromosomes are translocated to produce a single long chromosome ...

A genetic screen can potentially diagnose more than 1,200 genetic disorders and chromosomal abnormalities. If you were a medical geneticist, how would you pick the best test for your patient ...

2024 — Researchers have identified a gene that causes heart defects in Down syndrome, a condition that results from an additional copy of chromosome 21. Reducing the overactivity of this gene ...

According to the association, March 21 is a symbolic date, as individuals with Down syndrome have three copies of their 21st chromosome. Socks represent the Down syndrome chromosome which looks ...

To support our research on how to achieve this, we spoke with the following experts: Down syndrome is a genetic disorder that occurs when a person has an extra copy of chromosome 21. Typically ...

Study finds mosaicism in Down syndrome reduces Alzheimer's risk, providing new insights into genetic influences on cognitive ...