Mass Effect 1, Achievements (Mass Effect Legendary Edition)

Mass Effect 1, Achievements - I got almost all the medals. it says that the talents that I discovered in the achievement will be available upon repeated passage - rise - push, etc., but the bonuses of my partners, I don’t know for sure, were not written.
Tell me if I choose a soldier, all achievement talents will be available or, one to choose from, as well as partner bonuses will remain,
and the rest's equipment or not.

PS play the game for the first time