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

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The best choice is genetic counselling as it involves meeting with a specialist who will draw up a family tree and discuss the odds of having a child with a birth defect based on the family's medical history. Amniocentesis and chorionic villus sampling are diagnostic tests that are performed during pregnancy, while teratogenic refers to substances or agents that can cause birth defects.

As There Is a History of Hereditary Disease in the Families