This survey is part of Centerdata's Telepanel project. Telepanel consists of approx. 2000 households, surveyed weekly. Besides the Centerdatabase offers opportunities to compose tailor-made datasets. Knowledge and opinions concerning genetic manipulation with cells of human beings, as well as with cells from animals and plants / opinion about prenatal tests / considerations concerning genetic tests / opinion about correction of genetic disorders / eugenetics or improvement of the human race by genetic manipulation / whether cloning of human beings should be forbidden. Background Variables: Age categorized / Year of birth / Cohabitation / Sex Housing situation Nr. of children / Size of family/household Position in family/household Respondent: occupational status Respondent: gross income / Total family/household: gross income Respondent: highest type attended / Respondent: highest grade attained Other: constructed variable ( social economic class ) according to GFK * Dongen.