Mosaic Down syndrome, or mosaicism, is a rare form of Down syndrome. People with this form may have fewer symptoms of Down syndrome. Down syndrome is a genetic disorder that results in an extra copy ...

Down syndrome occurs when a baby develops an extra copy of the 21st chromosome during pregnancy, resulting in telltale symptoms. These distinctive signs and symptoms can include recognizable facial ...

A quick genetics lesson is probably in order here. Every cell in a person’s body contains their genetic code, or DNA, which typically consists of 23 pairs of chromosomes — with one chromosome in each ...

Puerto Rico's Sofía Jirau became the first Victoria's Secret model with Down syndrome earlier this month – a welcome moment of disability inclusion. People with Down syndrome have an extra chromosome ...

Mosaic Down syndrome is a rare form of Down syndrome. People with mosaic Down syndrome only show extra chromosomes in some cells, as opposed to all their cells. Human DNA typically contains 23 pairs ...