Cadastral genes mainly function to:
C fits best: Set boundaries of gene expression. Keep the ABC MODEL basics straight and Set boundaries of gene expression stands out as the precise answer. Avoid: A) Specify organ type; B) Induce flowering; D) Repress meristem. Light and flowering items often hinge on which photoreceptor or day-length rule is in play.
Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.
