Antigen Frequencies

What is the frequency of B blood type in Caucasians?

11%

What is the frequency of the Duffy A (Fya) antigen?

66%

What is the frequency of the C antigen?

70%

What is the frequency of the Jkb antigen in Caucasians?

72%

What is the frequency of the Jka antigen in Caucasians?

77%

A1 makes up this percentage of subgroups

80%

How much of the population are "Secretors"?

80%

What is the frequency of the c antigen?

80%

What is the frequency of the Duffy B (Fyb) antigen?

83%

What percent of the population is D positive?

85%

What is the frequency of the K (Kell) antigen?

9%

What percent of SCD, and healthy AAs carry at least one variant RHD or RHCE allele?

90%

What is the frequency of the e antigen?

98%

What is the frequency of the k (cellano) antigen?

98.8%

What is the frequency of V antigens?

0.01%

What is the frequency of the Jsa (Sutter) antigen?

0.1%

What is the frequency of Cw?

2%

What is the frequency of the Kpa (Penny) antigen?

2%

A2 makes up this percentage of subgroups

20%

What is the frequency of B blood type in AAs?

20%

What is the frequency of A blood type in AAs?

27%

What is the frequency of the E antigen?

30%

All A type newborns subgroup which A subgroups?

A2

What frequency does an antigen have to be to be considered a Low Prevalence Antigen?

Less than 2%

What frequency does an antigen have to be to be considered a High Prevalence Antigen?

Over 98%

What is the frequency of the Jsb (Matthews) antigen?

Over 99%

What is the frequency of the Kpb (Rautenberg) antigen?

Over 99%

What are the most common Wiener types in Caucasians?

R1, r, R2

What is the frequency of AB blood type in AAs? (Hint: Same as Caucasian)

4%

What is the frequency of AB blood type in Caucasians?

4%

What is the frequency of A blood type in Caucasians?

40%

What is the frequency of O blood type in Caucasians?

45%

What is the frequency of O blood type in AAs?

49%

What is the frequency of the Fy(a+b+)

49%