A natural form of passive immunity involves the transfer of
A) IgG antibodies to an infant through the mother's milk.
B) IgE antibodies by sneezing.
C) IgA antibodies across the placenta.
D) IgA antibodies to an infant through the mother's milk.
E) IgG antibodies by kissing.

Question

Quizplus · Accepted Answer

IgA antibodies are transferred to an infant through the mother's milk, providing passive immunity.

A Natural Form of Passive Immunity Involves the Transfer of