Hi Iam creating a Dragonbron Cleric, and i have purchase from marketplace the option to select the tempest domain. I dont know if i have to buy something to select my Blue Draconic Ancestry. Appears to me "no choise made", but there is nothing to select, only the descriptions.

https://www.dndbeyond.com/characters/20013188

You select your ancestry from within the character builder at the point you choose dragonborn.

Great, it's ok now. The confusion have happens because when we edit the character, the screen goes to Class menu.