A father is a known carrier of an X-linked condition, and asks when he will know whether his newborn son has the condition he carries. Which response by the nurse is the most appropriate?
1. Genetic studies have been ordered, and they will take about a week to determine the results.
2. We plan to run additional tests this afternoon, and should have results by the end of the day.
3. Your son cannot have the condition because the condition is X-linked and cannot be passed on to him.
4. There is a 50 chance you passed it on, but further tests are not recommended until he is a month old.
Question 2
Parents of a child with a congenital heart defect ask what the chances are of recurrence in future pregnancies. Which response by the nurse is the most appropriate?
1. There is a 50 chance of recurrence in a future pregnancy.
2. There is a very low chance of recurrence.
3. It should not happen again with a future pregnancy.
4. There is a strong chance of recurrence.
Glucose carrier in tubule
Charles E. Coughlin, the “Radio Priest,” was the father of conservative “talk radio.”
Researchers attach satellite-linked transmitter to a beluga whale
Neurons in a newborn’s brain
A pedigree for an X-linked dominant trait. Affected males produce all affected daughters and no affe
Frequency of X-Linked Recessive Traits in Males and Females