the spontaneous segregation rates of phytohaemagglutinin resistance ( phar ) and a temperature-dependent 8-azaguanine-resistant locus ( azarts ) from heterozygous quasitetraploid lines using luria-delbruck fluctuation analysis were 5 x 10 ( -5 ) and 10 ( -5 ) events/cell/generation , respectively .
C1708726
locus
C0007634
cell