Why Is Dosage Inconsistent in the Duffy Blood Group

question 24

Multiple Choice

Why is dosage inconsistent in the Duffy blood group?

• A) The genotype could be inherited as Fy^aFy^b or Fy^aFy for Fy(a+b-) red blood cells.
• B) Antigen expression is depressed in low ionic strength media.
• C) The genotype could be inherited as Fy^aFy^a or Fy^aFy for Fy(a+b-) red blood cells.
• D) All of the above

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