D.Mutation causing uncontrolled cell division
Explanation:
have a good day :)
1) Independent assortment during metaphase I /anaphase I
<span>2) Crossing over during prophase I
3.) </span><span>Random mutation during replication
( I gave you three ways).</span>
Answer:
B cells produce antigen specific antibodies.
Explanation:
Adaptive Immunity:
- The adaptive or acquired immune system is an immune response system characterized by highly specific effector cells and immunoglobulins. Adaptive immune response identifies specific antigens and then elicits an immune response mediated by specific antibodies.
- Antibodies are exclusively produced by B-cells when they are activated by an antigen either directly through the B-cell receptor or through activation by T-helper cells.
- Once activated, B-cells proliferate into plasma cells and memory B-cells. Plasma cells can be thought of as antibody factories as they produce antigen specific antibodies.
- Memory B-cells remember the antigen and are able to elicit an immune response in case of further infections from the same pathogen.
