<prompt> Preimplantation genetic diagnosis isIdentify embryonic aneuploidy resulting from gamete meiotic errorsIdentify genetic abnormalities in eggs or embryos prior to their transferIdentify risk for transmission of non inherited diseasesNone of the above  <response>: Preimplantation genetic diagnosis is technique to identify genetic abnormalities in eggs or embryos prior to their transfer. Whereas, preimplantation genetic screening aims to identify embryonic aneuploidy resulting from gamete meiotic errors. 