Vestergaard et al have reported dermoscopy assessment is more accurate than clinical evaluation by naked eye for the diagnosis of cutaneous melanoma (odds ratio = 15.6, P = .016). In this study, the mean sensitivity in the diagnosis of melanoma was 74% for the examination by naked eye and 90% for dermoscopy.
a genetic disorder is a disease that is caused by a change or mutation in an individual s dna sequence single gene disorders disorders caused by defects in one particular gene often with simple and predictable inheritance patterns dominant diseases single gene disorders that occur when an individual has one altered copy of the relevant gene and one healthy copy for example huntington s disease
How genetic conditions are inherited. Each cell in the body contains 23 pairs of chromosomes. One chromosome from each pair is inherited from your mother and one is inherited from your father.The chromosomes contain the genes you inherit from your parents.enetic mutations. Genetic mutations occur when DNA changes, altering the genetic instructions. This may result in a genetic disorder or a change in characteristics. Mutations can be caused by exposure to specific chemicals or radiation. For example, cigarette smoke is full of chemicals that attack and damage DNA.