D. Producir anticuerpos específicos para un patógeno
I think it's A becuse the stageof meiosis is cytokinsis
Answer:Polymerization, any process in which relatively small molecules, called monomers, combine chemically to produce a very large chainlike or network molecule, called a polymer. The monomer molecules may be all alike, or they may represent two, three, or more different compounds.
Explanation:
i think the answer is D) but you should get someone else to confirm this.