Hi there, the answer would be C (:
I aint no professional about this stuff but im pretty sure its "They are hard to break down and can build up in the blood stream" or "They build into muscle tissue"
Let me know what the right answer is please
Answer:
a chromosome is a cell structure made of DNA,which is found in the nucleus of a cell.
I hope this helps
according to my research its people who have gene mutations have more treatment options.