________________ is a prenatal test in which a small sample of cells from the outer layer of the embryonic sac is obtained and tested for genetic abnormalities.

Question

Quizplus · Accepted Answer

Chorionic villus sampling is the prenatal test in which a small sample of cells from the outer layer of the embryonic sac is obtained and tested for genetic abnormalities. Amniocentesis involves the sampling of amniotic fluid, while preimplantation genetic diagnosis and in vitro sampling are not prenatal tests performed during pregnancy but rather prior to implantation or outside of the body.

________________ Is a Prenatal Test in Which a Small Sample