1. Except as otherwise provided in subsection 2:
(a) A child may be adopted by one or more adults subject to the rules prescribed in this chapter.
(b) A person adopting a child must be at least 10 years older than the person adopted.
(c) If the child is over the age of 14 years, the child must agree to the adoption.
2. A court may approve the adoption of a child without regard to the age of the child and the ages of the prospective adoptive parents if:
(a) The child is being adopted by a relative within the third degree of consanguinity; and
(b) The court is satisfied that it is in the best interest of the child.