In ABCE model, Class E genes are mainly represented by:
Correct option is D, SEPALLATA genes. In ABCE & ABCDE MODEL +Synapdrgon flowering problems like this, the accurate statement is SEPALLATA genes; the others are common mix-ups. Not these: A) AP1 and AP2; B) AP3 and PI; C) AGAMOUS. Tissue transport questions usually turn on xylem vs phloem, living vs dead cells, or source vs sink.
Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.