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Fig. 7. Ear morphology in td1/fea2 double mutants compared with single
mutant and normal siblings. (A) SEM of a td1/fea2 double mutant ear
compared with td1- (B) and fea2- (C) single mutant ears. (D)
td1/fea2 double mutant ears exhibit an additive and synergistic
phenotype as they produce more kernel rows in a highly irregular pattern (see
also Table 3). In addition ears
were shorter than their single mutant and normal siblings. Double heterozygote
ears show no defects compared with normal siblings. Scale bars: 1 mm.