The Chromosomes

A chromosome is a part of a cell that contains genes which determine what characteristics the organism will have. The Chromosome contains the DNA that is divided in small units called GENES.

The human beings have 23 pairs of chromosomes and usually the men have a X & Y chromosome and women have two X chromosomes.

Fails or defects in some chromosomes are responsible for several disorders and diseases of genetic transmission, among others.


it has 5 main parts:

• Chromatid
• Centromere
• Telomere
• Long arm
• Short arm