Prenatal Diagnosis Techniques Such as Amniocentesis and Chorionic Villus Sampling

Multiple Choice

Prenatal diagnosis techniques such as amniocentesis and chorionic villus sampling involve the removal of cells that were produced by an embryo. What are these cells then used for?

A) to test for the presence of mutant alleles or chromosomal alterations
B) to treat diseases
C) for implantation to produce pregnancy
D) to develop embryonic stem cells