<prompt> Transplant of kidney from mother to son is an example of:-AutograftAllograftIsograftXenograft  <response>: Graft Autograft Isograft Homograft Allograft Heterograft Xenograft Tissue transplanted from one site to another on the same patient Transplant form a genetically identical donor, such as an identical twin Transplant from individual of same species Transplant from another species Xenograft Concordant Xenograft Discordant Xenograft Transplant between closely related species Example: For humans, old world monkeys apes Advantage: Hyperacute rejections is not a threat Disadvantages: Zoonotic transfer of disease Paicularly retroviral transmission Transplant between distant related or divergent species Example: For humans, new- world monkeys other mammals For physiological concern organ size availability pigs are preferred animal donor Disadvantages: High risk of hyperacute rejection 