For a transplant to have the best chances of avoiding rejection, the genes coding for the molecules should be closely matched between donor and recipient.

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The correct answer is  b) 

Tamarind can be grown on homesteads, plantations, and wasteland or as a forest tree. methods of propagating tamarind there are two methods of propagating tamarind trees: seed propagation and vegetative propagation. seed propagation: it involves the collection, preparation and direct planting of the seed.answer from google full credit to google.