Figure 1.—

Seed phenotypes of stt1. (A) Ear from a homozygous wild-type female pollinated by a homozygous wild-type male. (B) Ear from a homozygous wild-type female pollinated by a stt1/+ heterozygous male. (C) Ear from a stt1/+ heterozygous female pollinated by a homozygous wild-type male (arrow indicates a stt1/+ miniature kernel). Bar, (A–C) 1 cm. (D and E) Germinal (embryo) face (left) and a median longitudinal section (right) of wild-type (D) and stt1-affected (E) kernels at the same scale. Bar, (D and E) 0.25 cm.