=====|>WHAT DO YOU MEAN<|===== :/
It is not it something like sand because it would keep the fossil preserved.
Explanation:
After repeated stimulation by antigen, B cells can make antibodies that bind their antigen with much higher affinity a process called affinity maturation. ... Thus, antigen stimulation greatly increases the antibody arsenal. Antibodies are proteins, and proteins are encoded by genes.
If I'm remembering it right and if I did my research correctly, the answer is True.