Alaska Stat. § 13.12.106
(a) If, under AS 13.12.103(1), all or part of a decedent's intestate estate passes by representation to the decedent's descendants, the estate or part of the estate passing is divided into as many equal shares as there are
(c) If, under AS 13.12.103(3) or (4), all or part of a decedent's intestate estate passes by representation to the descendants of the decedent's deceased parents or either of them or to the descendants of the decedent's deceased paternal or maternal grandparents or either of them, the estate or part of the estate passing is divided into as many equal shares as there are