2. Alternative Names Hyperdactyly Supernumerary digit

3. Who is most likely to get this disorder? 10 times more likely to get it if black than white

4. Describe Symptoms A specific body part it affects would be feet and hands You can recognize this disorder by looking at the person, the person will have extra fingers and/or toes

5. How common is this disorder? 1 in every 500

6. Is this disorder deadly? Will it shorten lifespan? This disease is not fatal Unknown

7. Can you be tested for the disorder? If so how and when? Yes A test can be done by looking at their hands and feet As soon as baby is born a test can be done. Also a test can be done by an ultrasound in pregnant mother

8. Is there treatment? Does it cure or treat symptoms? Yes Extra fingers and toes can be surgically removed. Best to be done within the first few years of birth so the person can adapt. The only way a person is affected is that they have extra fingers/toes.

9. Are there any support groups? Yes Genetic Alliance is a support group

10. Describe any interesting facts… This disorder is commonly seen in cats Very common in Africa Sid Wilson of Slipknot has this disorder Discovered by Tyler Steven Hayden

11. Include Graphics

12. How inherited Not inherited

13. What chromosome is affected? Chromosome 7

14. Inheritance Pattern Dominant Autosomal

15. Citations "Polydactyly." Wikipedia. June 2008. Web. 27 Jan. 2011.. "Who Discovered Polydactyly." Wikipedia. Who Discovered It. Web. 27 Jan. 2011.. Tannahill, Krista. "Interesting Facts about Polydactyl Cats." Helium - Where Knowledge Rules. Helium, Inc, 2002. Web. 27 Jan. 2011.. "Polydactyly (Extra Fingers)." E-Hand The Electronic Textbook of Hand Surgery. E- Hand. Web. 27 Jan. 2011..