It investigates genetic diseases by testing individuals. Preimplantation genetic testing for avoiding genetic disorders or testing embryo to control genetic disorders.
done on apparently healthy individuals. Applied to groups. Test results are less accurate less expensive
Screening of high risk groups of people
Multiple screening. More test in combination on group of people. Famous in US and UK
Test must be acceptable to people. Should be precise and reliable. Safety ease of Administration and cost effectiveness.
Karyotyping - down syndrome.
RFLP for sickle cell anaemia.
PGT for IVF.
Biochemical analysis - PKU.
prescriptive screening. Help in detection of unrecognised diseases. Controlling diseases and better treatment and quality of life. Create public awareness and educate health professionals. Better policy and preventive healthcare techniques.