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Questions 17 and 18 refer to the blood antigen table below. Multiple answers may

ID: 133673 • Letter: Q

Question

Questions 17 and 18 refer to the blood antigen table below. Multiple answers may apply. Several different human antigens can be detected in blood tests. Assume NO Bombay phenotype or Bombay carriers EXCEPT as noted). ABO type and Icodominant, i recessive Rh type Rh dominant to Rh ??? K type MN type M and N codominant K dominant to K xtype xdominant to x: X-linked Dufly type FyA and FyB codominant, Fy recessive to Fyd and FyB (similar to ABO system The phenotypes for the individuals are shown below. FyA FyA FyB FyAB FyA Mother Rh Daughter Alleged father I Alleged father 2 Alleged father 3 AB Rh Alleged father 4 BRh M xa K Question 17. Which of the alleged fathers could be the real father? b. 2 c. 3 d. 4 e. none Question 18. Which of the alleged fathers could be a blood donor to the daughter? a. b. 2 c. e. none

Explanation / Answer

17. Alleged father could be of blood group belong to O and B. Hence, real father could be 3 and 4. Hence, correct option are correct c and d.

18. Alleged father whose blood group is O can be the donor. Hence, option is C.