Terry has recently been diagnosed with an inherited form of depression. which of the flowing is the most likely cause for the depression?

The most likely cause of Terry's depression is: Terry has a mutation in the enzyme involved in NE synthesis.

NE or Norepinphrine is the main neurotransmitter in our brain that control our adrenaline level. A damage to this part of our brain wiill make us fell unreasonably threatened or stressed,