Lyme disease is transmitted to humans by the bite of infected ticks of the Ixodes genus. Usually, the tick must be attached for 36 to 48 hours before the bacteria can spread. In North America, Borrelia burgdorferi sensu stricto and Borrelia mayonii are the cause.
A genetic predisposition (sometimes also called genetic susceptibility) is an increased likelihood of developing a particular disease based on a personâs genetic makeup. A genetic predisposition results from specific genetic variations that are often inherited from a parent.he World Health Organization offers information about genetic predisposition to several common diseases, including cancer, diabetes, cardiovascular disease, and asthma. Genetic Alliance UK offers a fact sheet on genetic predisposition to common genetic diseases.
Top 10 facts about the world. Genetic markers are sequences of DNA which have been traced to specific locations on the chromosomes and associated with particular traits. They demonstrate polymorphism, which means that the markers in different organisms of the same species are different.