Down syndrome is a genetic disorder caused by an extra chromosome 21, affecting brain and body development. It leads to ...

World Down Syndrome Day aims to raise awareness about the condition and ways to manage it. Down Syndrome is a genetic ...

While Emma has Down syndrome — specifically a rare type called Mosaic Down syndrome — some people don’t believe it. “At the ...

Kuwait on Friday marks the World Down Syndrome Day, which falls on March 21st, aiming at raising public awareness of Down ...

In particular, it explains that humans have one fewer chromosome pair in their cells than apes, due to a mutation found in chromosome number 2 that caused two chromosomes to fuse into one.

I gave birth to a beautiful baby girl with almond shaped eyes,” a woman named Sarah wrote on Cincinnati Children’s Hospital’s website. “The doctors and nurses didn’t notice, but I did. After days of ...

During prophase, the replicated pairs of chromosomes condense and compact themselves. The pairs of chromosomes that have been replicated are called sister chromatids, and they remain joined at a ...

Note the potential formation of monosomy or trisomy. Once fertilization occurs, the gamete with 24 chromosomes forms a zygote with 47 chromosomes (a trisomy with an extra copy of 1 chromosome).