personal genetics education project

What is preimplantation genetic diagnosis?

• Method to test for certain genetic traits in an embryo

• Embryo is created via in vitro fertilization

• Genetic testing occurs when embryo is 2-4 days old, typically at the 8-cell stage

• A single cell is removed and tested

• Results of testing are used to decide which embryos to implant in prospective mother’s uterus

personal genetics education project

PGD being performed on a 3-day old embryo

Image via http://www.obgyn.net/Frontiers_In_Reproductive_Medicine/images/PGD.gif

personal genetics education project

Real Families impacted by PGD: Molly and Adam Nash and the Hashmis

http://news.bbc.co.uk/olmedia/955000/images/_955928_nash150.jpg

http://www.telegraph.co.uk/news/graphics/2007/08/01/nivf101.jpg

personal genetics education project

How is Fanconi’s anemia inherited?

Fanconi’s allele

Non-Fanconi’s allele

Affected

Unaffected (carrier)Unaffected (carrier)

Unaffected (carrier)

Unaffected (carrier)

Unaffected (non carrier)

personal genetics education project

What are the most common uses of PGD?

personal genetics education project

Public attitudes on acceptable uses of PGD: