Duffy Blood Group

Question 1

FREQUENCY OF DUFFY PHENOTYPES:

Fy (a+ b-) predominant in population:

Answer 1

Chinese

Question 2

FREQUENCY OF DUFFY PHENOTYPES:

Fy (a+ b+)

Answer 2

Whites

Question 3

FREQUENCY OF DUFFY PHENOTYPES:

Fy (a- b+)

Answer 3

Whites

Question 4

FREQUENCY OF DUFFY PHENOTYPES:

Fy (a- b-)

Answer 4

Blacks

Question 5

early detected @6th week gestation and well developed at birth

Answer 5

Fy a and b antigens

Question 6

Destroyed by proteolytic enzymes

Answer 6

Fy a and b antigens

Question 7

Duffy containing indiv. are Susceptible to the invasion of

Answer 7

P. vivax
P. Knowlesi

Question 8

IgG
React at 237 deg cel
Associated with HTR
ENHANCED IN LISS

Answer 8

Anti-Fy^a and Fy^b

Question 9

Dufffy phenotype resistant in P. Vivax and P. Knowlesi

Answer 9

Fy (a- b-)
Black africans

Question 10

First human gene to be assigned in specific chromosome

Answer 10

Duffy