Which type of genetic test involves identifying recessive disease-causing alleles in potential parents?

a. Preconception test

b. Prenatal test

c. Newborn screen

d. Predisposition test

e. Predictive test

Answer: a) Preconception test

Explanation: Preconception test is the test that is prescribed to the potential parents or during pregnancy to ensure about the good health conditions. There are certain factor that is detected by the test such as any disease due to alleles, depression, high blood pressure, diabetes, fertility etc. This test is important for the potential parents and the newborn babies health. So, the correct answer is option (a).