Sickle Cell Disease Foundation of California
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Hemoglobin C Trait

About 1 out of every 40 African-Americans has hemoglobin C trait. This trait also affects people whose ancestors came from Italy, Greece, Africa, Latin America, and the Caribbean region.

However, it is possible for a person of any race or nationality to have hemoglobin C trait.

People with hemoglobin C trait have red blood cells that have normal hemoglobin A and an abnormal hemoglobin. The abnormal hemoglobin is called hemoglobin C. People with hemoglobin C trait have slightly more hemoglobin A than hemoglobin C. People with Hemoglobin C trait do not have health problems related to having the trait.

People with hemoglobin C do not have Hemoglobin C disease or sickle cell disease. They cannot develop these diseases later in life. They can pass hemoglobin C trait to their children.

Hemoglobin D Trait

People with hemoglobin D trait have red blood cells that have normal hemoglobin A and an abnormal hemoglobin. The abnormal hemoglobin is called hemoglobin D. People with hemoglobin D trait have slightly more hemoglobin A than hemoglobin D. People with Hemoglobin D trait do not have health problems related to having the trait.

People with hemoglobin D trait do not have Hemoglobin D disease or sickle cell disease. They cannot develop these diseases later in life. They can pass hemoglobin D trait to their children.



Sickle Cell Disease Foundation of California

3602 Inland Empire Blvd, Suite B220
Ontario, CA 91764
Phone (909) 743-5226 or (310) 693-0247
Toll Free (866) 288-CURE (2873)
Fax (909) 743-5227
email: info@scdfc.org

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© 2015 Sickle Cell Disease Foundation of California, All Rights Reserved
  • Home
  • What is Sickle Cell Disease
    • Who is Affected?
    • Sickle Cell Trait
  • Programs & Services
    • Hemoglobin Trait Follow-up Program
    • Support/Network Groups
    • SC Crew for Teens
    • Camp Gibbous
  • Camp Crescent Moon
  • SCD Clinic at MLK
    • General MLK Info
    • SCD Specialists (Hematologists) >
      • Find a Doctor (Children)
      • Find a Doctor (Adults)
  • Events
    • Golf
    • Walkathon >
      • 2016 Walkathon Highlights
  • Research
  • Treatment
  • About Us
    • Board of Directors
    • Mission & History, Statement of Purpose
    • A Message from the President
  • Resources
    • Sickle Cell Educational Materials
    • Newsletters/Articles
    • "Sickle Cell Disease is No Joke"
    • No Longer a Child's Disorder
    • Webinar Series
  • In Memory Of
    • Kumasi Lewis
    • JaWuan Lee Matthews
  • Donate
    • Memorials & Tributes
    • Donate a Vehicle
    • Corporate Matching Gifts
    • Donations through United Way
    • Community Health Charities of California
    • Combined Federal Campaign
    • Wills/Bequests
    • Planned Giving
    • In-kind Gifts
  • Our Sponsors
  • Volunteer
  • Contact Us
  • Staff
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