The adrenal cortex automatically releases strew hormones
The main difference between dominant and recessive genes is that dominant genes get phenotypically exerted faster compared to genes that are being recessively transfered. These genes must have to be presented 2x more often (both alleles have to be recessive) for them to be exerted phenotypically.
I believe it is the 3rd one but I am not sure but if you want an explanation on why, I will tell you that phobias are based off of a certain object,situations,or anything that makes you react with so much fear. That is why I think it is the 3rd one but let me know what the answer is I am curious of what the actual answer may be.
Bipolar disorder
not completely sure about this but IM TAKING A GUESS HERE