Number of individuals involved in each stage of the experiment by line.

aLines are coded as (D1, D2 = Diploid line 1 and 2, DC = Diploid Control; N1, N2 = Neoautopolyploid line 1 and 2, NC = Neoautopolyploid Control; T1, T2 = Extant Autopolyploid line 1 and 2, TC = Extant Autopolyploid Control).bNumber of maternal families represented within individuals surviving to the end of the generation.cNumber of individuals surviving to the end of the generation.dThirty-five seed families were chosen at random from 40 created in first round of selection to found N1 and N2.