The answer (I think) would be A?
I think the answer is letter A. I hope this helps and i would have someone check this to make sure it's the correct answer for sure.
You can keep track of your findings and find averages
Answer:
The answer is B
Explanation:
The thymus secretes thymosin, which is necessary for T cell production. Therefore, if the thymus were damaged, there would be a lower number of T cells in the blood
Restriction enzymes at a specific sequence
