Final answer:
Option (1), The form of the Mosque of Selim II in Edirne, Turkey, is centrally planned, incorporating Byzantine influences and traditional Ottoman architectural elements.
Step-by-step explanation:
The Mosque of Selim II in Edirne, Turkey, is centrally planned, which is reflected in its symmetrical layout and focus on a dominant central dome, echoing the architectural traditions stemming from Byzantine styles as exemplified by the Hagia Sophia.
This form incorporates the Ottoman architectural elements of vaults, domes, square plans, slender corner minarets, and columns. These elements combined establish the mosques as sanctuaries of aesthetic and technical balance, as seen as well in other examples like the Blue Mosque in Istanbul.