Autosomal recessive disorders occur at a high frequency when matings are consanguineous; this is an example of

Autosomal recessive disorders occur at a high frequency when matings are consanguineous; This is an example of inbreeding.

To add, inbreeding is breeding from closely related people or animals, especially over many generations.

the electric field is a “force field” around a charged object that illustrates the direction the electric force would push an imaginary 

one "light year" is the distance that light travels, through vacuum, in one julian year.   that's 365.25 days, of 24 hours each.