Multiple choice

A couple have a child with a trait believed to be determined by multifactorial inheritance. There is no known family history of the disorder. Which of the following statements is true regarding their recurrence risk?

  1. They are not at increased risk due to the absence of prior family history.

  2. They are only at increased risk if they are related to one another.

  3. They are only at increased risk if the next child is of the same sex as the previously affected child.

  4. They are at increased risk, which can be estimated from empirical data.

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Empirical data is used in counseling for multifactorial inheritance.