The answers to the clues below will have something in common.

1. One's DNA

2. Speeding result

3. Line of Latitude

4. Municipal building 

5. Opening night attendee

6. Appliance attachment

7. Monopoly

8. Press

9. Fundamental  principle

10. Long-lasting health issue

11. Vintage autos

12. Aladdin's transport

Answers:

 

1. Genetic code

2. Traffic court

3. Arctic Circle

4. Civic Center

5. Music critic

6. Electric cord

7. Atlantic City

8. Garlic clove

9. Basic concept

10. Chronic condition

11. Classic cars

12. Magic carpet

 

 Every answer follows the pattern of 

 _____IC  C_____

 

Credit:

Alan Olschwang (#1-8)