.15 - 2.16 Genetic screening, Ethics around Genetic screening

Question 1

What are the three types of genetic testing?

Answer 1

Identifying a carrier
PGD (Pre-implantation Genetic Diagnosis)
Prenatal testing

Question 2

What is the process of the identifying a carrier?

Answer 2

cell sample is taken
DNA is extracted and tested for the most common known alleles for the disease
A result will then tell you if the disease-causing-allele is present.

Question 3

When is PGD tested?

Answer 3

In IVF the embryo is tested before imprlanted into the uterus

Question 4

What is the process OD PGD?

Answer 4

Iremoving one cell from the embryo and testing it’s DNA for any known genetic disorders and diseases

Question 5

What are the two types of prenatal testing?

Answer 5

Amniocentesis
. Chorionic Villus Sampling (CVS)

Question 6

When can CVS be carried out?

Answer 6

8-12 weeks

Question 7

When can a aminocentesis done?

Answer 7

15 - 17 weeks

Question 8

What is the risk of miscrriage in an aminocentesis?

Answer 8

0.5-1%

Question 9

What is the risk of miscarriage in CVS?

Answer 9

1.5-2%