It is a genetic condition caused when an unusual cell division result in an extra full or even partial copy of chromosome 21.

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

Among the many marvels of life is the cell's ability to divide and thus enable organisms to grow and renew themselves. For ...

Mitosis is a type of cell division which ensures that, when a cell divides, each new cell produced has the same genetic information. Each human body cell contains 46 chromosomes. These can be ...