12th April 2024

A 56 year old male attends your endocrine clinic today to find out the results of his investigations for diabetes insipidus.

A 56 year old male attends your endocrine clinic today to find out the results of his investigations for diabetes insipidus. He was complaining of increased thirst and urination that led to him waking up several times during the night. Investigations showed he had a mutation for his AVPR2 gene causing nephrogenic diabetes insipidus. What is the inheritance of the mutated gene?

Select the SINGLE most appropriate option from the list below. Select ONE option only.