advertisement
 

  Back to Ask the Diabetes Team Ask the Diabetes Team
Question:

From Chattanooga, Tennessee, USA:

I am 16 years old and I want more information on Type 1 and Type 2 diabetes. I have Type 1 and my daddy has Type 2. I was just wondering if diabetes is a recessive or a dominant trait. And I wanted a karyotype of a diabetic and maybe you would know where to find one.

Answer:

The genetic component of Type 1A (autoimmune) diabetes, the commonest form in young people, is mostly expressed by the MHC genes on the small arm of chromosome 6. The condition cannot be expressed as recessive or dominant because actual clinical development is also dependant on some as yet unknown environmental factors. The karyotype in all forms of diabetes looks normal except for the rare form of diabetes in children with Down's Syndrome who have Trisomy 21. Some cases of Type 2 diabetes are associated with chromosomal changes; but again the karyotype appears normal. You would find a picture of a karyotype in any book on human genetics in your nearest public library and certainly if you could get to a medical library in the Genetics chapter of a book like Current Pediatric Diagnosis and Treatment by Hay and others.

DOB

DTQ-19990427163502
Original posting 8 Jul 1999
Posted to Genetics and Heredity

  
advertisement


                 
  Home Return to Top

Last Updated: Tuesday April 06, 2010 15:09:06
This Internet site provides information of a general nature and is designed for educational purposes only. If you have any concerns about your own health or the health of your child, you should always consult with a physician or other health care professional.

This site is published by T-1 Today, Inc. (d/b/a Children with Diabetes), a 501c3 not-for-profit organization, which is responsible for its contents.
By using this site, you agree to our Terms of Use, Legal Notice, and Privacy Policy.
© Children with Diabetes, Inc. 1995-2015. Comments and Feedback.