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Assertion : IgM is a type of immunoglobu...

Assertion : IgM is a type of immunoglobulin which cannot cross the placenta
Reason : IgM is a pentamer immunoglobulin jointed by I-chain

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A
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