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The linked HLA genes on each chromosome constitute a(n):
Most blood group system genes and their resulting genetic traits display what type of inheritance?
The mating of an Xg(a+) man and an Xg(a-) woman will only produce:
The observed phenotypes in a particular population are:
phenotype      number of persons
Jk(a+b-) Â Â Â Â Â Â Â Â 122
Jk(a+b+) Â Â Â Â Â Â Â Â 194
Jk(a-b+) Â Â Â Â Â Â Â Â 84
What is the gene frequency of Jka in this population?
In a random population, 16% of the people are Rh-negative (rr). What percentage of the Rh-positive population is heterozygous for r?
Which phenotype could not result from the mating of a Jk(a+b+) female and a Jk(a-b+)male?
Which of the following phenotypes is the result of homozygous inheritance of the corresponding genes?
What do the On(h (Classical Bombay), group O, and Lu(a-b-) phenotypes have in common?
Which of the following antibodies is usually clinically insignificant?
An individual’s red blood cells give the reactions with Rh antisera shown in this table:
|
anti-D |
anti-C |
anti-E |
anti-c |
anti-e |
Rh control |
|
4+ |
3+ |
0 |
3+ |
3+ |
0 |
The individual’s most probable genotype is:
A blood donor has the genotype: hh, AB. Using anti-A and anti-B antisera, the donor’s red cells will type as group:
An individual has been sensitized to the k antigen and has produced anti-k. What is the most probable KEL system genotype for this individual?
Anti-Fy3 will fail to react with which of the following enzyme-treated red cells?
A mother has the red cell phenotype D+C+E-c-e+ with anti-c (titer of 32 at AHG) in her serum. The father has the phenotype D+C+E-c+e+. The baby is Rh-negative and not affected with hemolytic disease of the newborn. What is the baby’s most probable Rh genotype?
In an emergency situation, Rh-negative red cells are transfused into an Rh-positive person of the genotype CDe/CDe. The first antibody most likely to develop is:
A patient’s red cells type as shown in this table:
|
anti-C |
anti-D |
anti-E |
anti-c |
anti-e |
|
+ |
+ |
+ |
+ |
+ |
Which is the most probable genotype?
A patient’s red cells type as shown in this table:
|
anti-D |
anti-C |
anti-E |
|
4+ |
0 |
0 |
Which of the following genotype would be consistent with these results?
The red cells of a nonsecretor (se/se) will most likely type as:
Which of the following phenotypes will react with anti-f?
A patient’s red blood cells gave the reactions shown in this table:
|
anti-D |
anti-C |
anti-E |
anti-c |
anti-e |
Anti-f |
|
+ |
+ |
+ |
+ |
+ |
0 |
The most probable genotype of this patient is: