SBB GENETIC,RH AND RBC MEMBRANE
EXAM (ACTUAL EXAM) QUESTIONS WITH
VERY ELABORATED ANSWERS CORRECTRY
WELL ORGANIZED LATEST 2024 – 2025
ALREADY GRADED A+
The D antigen expressed appear to be complete but fewer in number
It's changes in proteins on the molecular level
Normal RHD antigen expression is altered
Rarely make anti-D - ANSWERS-Exlplain Weak D
275 RHD alleles and 50 RHCE have been documented - ANSWERS-Since the
begining of molecular,
How many RHD and RHCE genes have been discovered ?
Rh32 is the only antigen defined by both depressed C and e - ANSWERS-A
parentheses around one of the alleles means it's depressed or weekend
Rh32 or Rn = D(C)(e) will form antibody to Rh46
, Rh null COULD form anti-29
Rh29 is NOT naturally occurring - ANSWERS-Rh29 also called Total Rh antibody
Rh50 - ANSWERS-Which are age is associated with frameshift
True - ANSWERS-Rh Mod sales have a reduced lifespan
Child lacks a genetic marker that alleged father (given his observed phenotype)
must transmit to his offspring - ANSWERS-Indirect exclusion
Example of direct exclusion - ANSWERS-If the child is blood group B
mother is blood group O
Alleged father is group O
what kind of exclusion is this, direct or indirect
HLA antigens are inherited as haplotypes - ANSWERS-HLA antigens are inherited
as _______________
This is an example of indirect exclusion
It's indirect because we presume the father is JK (b+b+) - ANSWERS-If the child is
Jk(a+b-)
Mother Jk(a+b+)
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