TABLE 2

Models for action of mel1

mel1/+ female × +/+ male+/+ female × mel1/+ male
Defective seedsNormal seedsDefective seedsNormal seeds
Dominant embryo mutant with no male transmissionPresent, all inherit mel1Few or none inherit mel1AbsentNone inherit mel1
Maternal sporophyte effectPresent, 50% inherit mel150% inherit mel1AbsentSome inherit mel1
Maternal gametophyte effectPresent, all inherit mel1Few or none inherit mel1AbsentSome inherit mel1