You are trying to determine if a newborn boy has an X-linked genetic disorder by analyzing a family pedigree. Which of these findings would rule out the X-linked hypothesis?
A) All the sons of the baby's grandmother have the disorder.
B) There are no females in the pedigree with the disorder.
C) Neither parent has the disorder.

Question

Quizplus · Accepted Answer

If neither parent has the disorder, it rules out the X-linked hypothesis because the mother would need to be a carrier or affected to pass the disorder to her son.

You Are Trying to Determine If a Newborn Boy Has