yes. jecht IS tidus's father.
"...Braska decided to become a summoner and embarked on a pilgrimage with his guardians Auron and Jecht to defeat Sin..."-From Wikipedia
lol no.
yes he is the final boss you have to face.
Braska's guardians were Auron and Jecht.
Do you mean defeating jecht or yu yeven?
You make the Hp go the zero. You then have to kill your own Summons.
yes. however the original japanese word is pronounced phoenetically
She had at least one shot while being pregnant
Jecht is a character from Final Fantasy X, the estranged father of the main character Tidus. Lost and considered dead for 10 years, Jecht had actually ended up in the world of Spira, going on an adventure of his own with Braska, the father of playable character Yuna, as well as Braska's companion Auron who also joins the playable party later on. Though remembered as arrogant and uncaring in Tidus' flashbacks and comments, Jecht reveals through videos recorded on magical spheres, that he's always had Tidus' best interests at heart, even though he wasn't very good at showing it. He himself also matures a great deal over those 10 years, giving up alcohol after a drunken accident, and sacrificing his own life to give the world a temporary peace.
That depends on the type of shot you wish to perform. This post of mine might help you with that: see related link.
for the PC i believe you press q and the shot button at the same time.