Correct Answer - A
Autograft : Graft is the own body tissue . E.g. Skin graft .
A utograft has lower risk of rejection so it is the most successful translantation .
2. Isograft : Graft is from the twins
3. Allograft : Graft from the individual of same species.
4. Xenograft : Graft from the individual of other species