Answer:
I am not sure if this is what you are looking for, but possibly enzymes.
Specialized enzymes and chemicals are the body’s final defense against pathogens.
I’m sorry but you didn’t list any options. Sorry, I can’t be of help.
Answer:
The mother and father's DNA must be put into their offspring unless one is an ressesive trait. You can use a punnett square to help set up the likely blood type of the offspring.
What? Lol can you rewrite this?