Introduction The cell nucleus is the largest organelle of eukaryotic cells and is located in the cytoplasm, separated by a double membrane (nuclear envelope). As a carrier of genetic information, the cell nucleus contains the genetic information in the form of chromosomes (DNA strand) and thus plays an essential role in heredity. Most mammalian cells … Functions of the cell nucleus
Definition A genetic disease or hereditary disease is a disease whose cause lies in one or more genes of the affected person. In this case, the DNA acts as a direct trigger for the disease. For most genetic diseases, the triggering gene locations are known. If a genetic disease is suspected, the respective diagnosis can … Genetic diseases
How hereditary diseases are inherited Every hereditary disease is inherited either monogenetically or polygenetically: this means that there is one or more gene locus that must be altered in order to cause a disease. Furthermore, genetic traits can always be inherited dominantly or recessively: Recessive means that there must be a predisposition for this particular … How hereditary diseases are inherited | Genetic diseases
Xeroderma Pigmentosum Xeroderma pigmentosum is a rare, hereditary disease in which certain enzymes in the skin of the affected individuals do not function. These enzymes normally repair the DNA, which can be damaged by sunlight or the UVB light it contains. The UVB damage can cause skin cancer in affected as well as in all … Xeroderma Pigmentosum | Genetic diseases
Chromatin is the material that makes up chromosomes. It represents a complex of DNA and surrounding proteins that can compress the genetic material. Disruptions in chromatin structure can lead to severe disease. What is chromatin? Chromatin is a mixture of DNA, histones, and other proteins bound to DNA. This forms a DNA-protein complex, but its … Chromatin: Structure, Function & Diseases
