The likelihood of having a child with Down syndrome depends to a great extent on
A)the age of the mother.
B)alcohol consumption during pregnancy.
C)a family history of intellectual disabilities.
D)blood type.

Question

Quizplus · Accepted Answer

The likelihood of having a child with Down syndrome increases with the age of the mother, especially after age 35. Alcohol consumption during pregnancy, a family history of intellectual disabilities, and blood type are not significant factors in the likelihood of having a child with Down syndrome.

The Likelihood of Having a Child with Down Syndrome Depends