A child or adult, when adopted, may take the name of the person adopting, and the two (2) shall thenceforth sustain toward each other the legal relation of parent and child, and shall have all the rights and shall be subject to all the duties of that relation, including all of the rights of a child of the whole blood to inherit from any person, in all respects, under the provisions of section 15-2-103, Idaho Code, and to the same extent as a child of the whole blood.