What Antibodies Are In Blood?
What Antibodies Are In Blood? ABO blood type Percentage of people B-negative (B-) 2% AB-positive (AB+) 4% AB-negative (AB-) 1% O-positive (O+) 39% What is the main antibody in blood? IgG is the main antibody in blood. It is the only isotype that can pass through the placenta, and IgG transferred from the mother’s body