essay journal

Genetic Screening and Therapy

• Preimplantation genetic diagnosis

– Selective embryo implantation

• Prenatal fetus testing

– Termination of pregnancy

• Postnatal diagnosis

– Routine screening

– Preventive treatments

A A

D A

A D

D D

Bl Bl

Bl Br

Br Bl

Br Br

Genetic Screening of Couples

• Decision not to have genetically related

children when the chances of passing on

genes that lead to severe medical conditions are high.

• Problems?

• Certain social groups cannot afford possible

treatments.

• Certain populations may be pressured not to

reproduce.