Answer:
Mutations caused by enviromental factors.
Explanation:
All the other answers choices have to do with more than one gene.
Answer:
Humoral immunity refers to the component of the adaptive immune response that is caused by B cells, antibodies, and type 2 helper T cells (Th2), as well as circulating mast cells and eosinophils to a lesser extent.
Answer:
wheres my brainlisty first buddy............
Explanation:
Her blood sugar rose to high
Her blood sugar lowered to low
Answer:
A is the answer I believe