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  • About Sickle Cell Disease | Sickle Cell Disease (SCD) | CDC
    Overview Sickle cell disease (SCD) is a group of inherited red blood cell disorders Red blood cells contain hemoglobin, a protein that carries oxygen Healthy red blood cells are round, and they move through small blood vessels to carry oxygen to all parts of the body In someone who has SCD, the hemoglobin is abnormal, which causes the red blood cells to become hard and sticky and look like
  • Sickle Cell Disease - Causes and Risk Factors | NHLBI, NIH
    People who have sickle cell trait make about 60% normal hemoglobin (hemoglobin A) and 40% sickle hemoglobin (hemoglobin S) They may be called carriers because they can pass on the gene for sickle hemoglobin when they have children
  • Sickle cell anemia - Harvard Health
    People with sickle cell anemia inherit a defective type of hemoglobin When oxygen levels inside a red blood cell get low, the defective hemoglobin forms long rods
  • Sickle Cell Disease - Johns Hopkins Medicine
    Sickle cell disease is a blood disorder in which the hemoglobin is damaged and can't carry oxygen to the tissues These blood cells with the defective hemoglobin are sticky and can build up and block small blood vessels leading to pain and other complications of the disease
  • Sickle Cell Anemia: Symptoms, Causes Treatment - Cleveland Clinic
    You may be born with sickle cell anemia if both your biological parents carry the changed gene The HBB gene gives instructions on how to make beta-globin, which is part of your hemoglobin protein
  • How Is Sickle Cell Anemia Inherited? Trait vs. Disease
    Sickle cell anemia is inherited when both parents carry the gene Learn the difference between having the trait and having the disease
  • Sickle cell anemia - Symptoms causes - Mayo Clinic
    For a child to have sickle cell anemia, both parents must carry one copy of the sickle cell gene and pass both copies to the child If only one parent passes the sickle cell gene to the child, that child will have the sickle cell trait
  • Sickle Cell Anemia: Genetics and Carrier Information - 23andMe
    People with just one copy of the HbS variant are called carriers (also known as having sickle cell trait) They’re not expected to have the condition themselves, but they could pass their variant on to their future children Sickle cell anemia is caused by the HbS variant in the HBB gene
  • Sickle cell disease - Carriers - NHS
    If you're a carrier of sickle cell, it means you carry one of the genes that causes sickle cell disease, but you do not have the condition yourself It's also known as having the sickle cell trait
  • Is Sickle Cell Anemia Dominant or Recessive? - Healthline
    In order to have sickle cell anemia, you must have two copies of the recessive sickle cell allele If you receive only one copy, geneticists refer to you as a “carrier ” This means while you have





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