Glossary
Inherited: Derived from parentsGenetic: Pertaining to genes
Xeroderma: Excessive dryness of skin
DNA (deoxyribonucleic acid): A nucleic acid that carries genetic information
Ultraviolet radiation: Radiation produced by the sun with wavelengths between 290 and 320 nm comprising less than 1 per cent of the ultraviolet radiation that reaches the earth's surface. Ultraviolet B causes sunburn and a number of damaging changes within cells, including damage to DNA, leading to premature aging of the skin,premalignant and malignant changes, and a variety of photosensitivity reactions
