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

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

and how do chromosomes relate to the human body? Here, travel into the tiny world of DNA, all the way down to the level of the atoms that make up a single DNA base. The human body contains about ...

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

However, defining the human diploid chromosome number would prove more ... data may not have been representative of cells in the body (i.e., in vivo data), Tjio and Levan also highlighted the ...

Cells of the body that contain two sets of chromosomes ... attached to one another at a point called the centromere. Human chromosomes can be differentiated from one another under a microscope ...

The nucleus of each human body cell contains 46 chromosomes. Each chromosome contains about 1000 genes. There is enough DNA in all the cells in a human body to stretch to the sun and back again ...

All human beings start as female, neurologically speaking. While the male baby is in the womb, the Y chromosome begins a sequence of masculinizing events in both body and brain, particularly the ...