As There Is a History of Hereditary Disease in the Families

Multiple Choice

As there is a history of hereditary disease in the families of Tumi and Faith, they have arranged a meeting with a specialist, when they will draw up a family tree concerning the odds of them having a child with a birth defect. This event would most accurately be described as

A) amniocentesis.
B) chorionic villus sampling.
C) teratogenic.
D) genetic counselling.