mitosis

• Chromosomes carry genetic information in a molecule called DNA
• Mitosis ensures that when a cell divides each new cell produced has the same genetic information
• DNA


  Deoxyribonucleic acid. The material inside the nucleus of cells, carrying the genetic information of a living being
• Chromosome


  The structure made of DNA that codes for all the characteristics of an organism
• Gene


  The basic unit of genetic material inherited from our parents. A gene is a section of DNA which controls part of a cell's chemistry - particularly protein production
• Micrograph


  A photograph taken of a microscopical image
• Each human body cell contains 46 chromosomes, arranged into 23 pairs
• In females, the two chromosomes in the 23rd pair are identical in shape (2 X chromosomes)
• In males, the 23rd pair consists of one X chromosome and one Y chromosome