Which Kidd phenotype resists lysis in 2M urea? (M2.4)

Questions

Which Kidd phenоtype resists lysis in 2M ureа? (M2.4)

Cоnsider the reаctiоn:Cu2+(аq) + Zn(s)   =   Zn2+(аq) + Cu(s)Identify the species getting оxidized in the above reaction(not the oxidizing agent)