1. Scottish Fold Cats: Inheritance and Breeding
By Peter Berry

2. History and Traits Scottish fold cats have folded ears
Started with a cat on a farm in Scotland in the early 1960’s due to a spontaneous mutation
Can be any color
Can be short or long haired
Copyright©2000 TheCatSite.com

3. Inheritance
Folded ears is a dominant trait: one copy of the gene results in folded ears
F=fold
f =upright
FF or Ff = fold
Ff = upright
© Mark MCullough

4. Theoretical Breeding
To get all cats with folded ears, breed folded to folded F F F f F F FF FF Ff FF Ff ff F F F F f f
All Folded
All Folded
3 Folded: 1 Upright

5. Problem Double Dominant (FF) cats develop joint disease!
© Microsoft Clip Art

6. How to breed Scottish fold cats without joint diseaseX
© Chanan
© Ego Prints Ff ff F f Ff ff f
1 Folded (Ff) : 1 Upright (ff) f
NO FF

7. References
I. Edward Alcamo, Ph.D. (2002). Modern Biology,Annotated Teacher’s Edition . Austin: Holt, Rhinehart and Winston.
Danielsen, L. ( ). Scottish Fold: Cat Breed FAQ. Retrieved 8/22/02, Cat Fanciers Web site:
The Cat Site [no author]. (2000). The Scottish Fold Cat. Retrieved 8/22/02, from
Kitty Angell (7/18/02) CFA Breed Profile: Scottish Fold. Retrieved 8/27/02, Cat Fanciers Association Web Site:
CFA's Top Cats [no author]. Retrieved 8/27/02, Cat Fanciers Association Web Site: