In all the immunoglobulins, there are _____ type(s) of light chains and ______ type(s) of heavy chain.

In all the immunoglobulins, there are _____ type(s) of light chains an

1.	In all the immunoglobulins, there are _____ type(s) of light chains and ______ type(s) of heavy chain.
A.	2, 1
B.	2, 2
C.	1, 2
D.	1, 1
Answer» C. 1, 2