Wherever a person, by conveyance inter vivos or by will, purports to create any present or future interest in real or personal property in a class of persons described as his own heirs, next of kin, distributees, or by other words of like import, such heirs, next of kin or other described persons shall take, by purchase and not by descent or distribution, the interest so purported to be created; it being the intent and purpose of this section to completely abolish the rule of law known as the doctrine of worthier title and the rule of law that a grantor cannot create a limitation in favor of his own heirs or next of kin. This section shall only apply to instruments which become effective after the effective date of this section.