rs2814778(T;T)

Duffy-positive

Magnitude
1.0Minor
Repute
Good
Frequency
39%Average of 5 populations
On SNPedia
rs2814778(A;A)Minus strand
Gene
DARC

Frequency

Share of people with T;T in each HapMap population.

  • Tuscan98%
  • Mexican ancestry (Los Angeles)91%
  • African ancestry (Southwest US)4%
  • Maasai (Kenya)<1%
  • Luhya (Kenya)0%

Other genotypes of rs2814778

  1. C;TGoodDuffy-positiveMinor · 1.011% of people
  2. C;CGoodDuffy-negative, Fy(a-b-) phenotype; resistance to malaria;, increased odds of HIV infection upon exposure, but slowed disease progression if infectedMinor · 1.050% of people

All about rs2814778

Notes

From SNPedia

This genotype is associated with European populations and southwestern Native American populations; see discussion and citations at rs2814778.

Source and license

Adapted from rs2814778(A;A) on SNPedia, using a snapshot taken October 16, 2026. SNPedia content is shared under CC BY-NC-SA 3.0 US, and this page is shared under the same license.

SNPedia is a community-edited wiki. Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice. Magnitude is a community rating of how interesting a genotype is, not a risk score.