Protein found in antibodies provides the immunity to our body to fight against any foreign antigen.
Explanation:
Protein is the building block of our body. It forms the body tissue and even acts as a fuel source.
But protein found in antibodies are slightly different in their function. In antibodies, protein develops the immunity power that shields our body from the external antigens that may cause dysfunction in our body.
These antibodies drags out any antigens attacking our body systems.
The answer is rr because if it were "Rr" it would be round. Dominant always exceeds the recessive. so if both traits were recessive, it would be recessive. so "rr" is your answer