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Old 03-19-2012
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Immunology Immunoglobulin Marker for Paternity!

A 28-year-old male is brought into court for non-payment of child support. His ex-wife insists that he is the father of her child, although he denies it. The court suggests before hearing the paternity case that various genetic tests, including one for genetic immunoglobulin identification, be performed on the male, female, and child. Which immunoglobulin marker would be helpful in this paternity case?

A. Allotypes
B. Idiotypes
C. IgA 2
D. IgM
E. Isotypes
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Old 03-19-2012
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the answer is A
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Old 03-20-2012
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yeah....the answer will be definitely (A)Allotypes
As because isotypes are due to antigenic variation in the constant region which means all isotypes are found in all normal option C and D are isotypes.
Idiotypes are due to variation in amino acid of hypervariable region which occurs every time by specific clone of antibody producing cells against offending antigen.
Here allotype which varies among individual due to polymorphism in expression of inherited allelic genes for heavy and light chains.
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Old 03-20-2012
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Originally Posted by Master shifu View Post
Nice name btw ..makes me laugh every time I see your name reminds of those funny sequences when he's trying to meditate and the messenger bird crash lands in his place
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Genetics-, Immunology-, Step-1-Questions

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