Which of the following is not involved in the fall coloration of leaves of deciduous trees?
a. vernalization
b. a photoperiodic response
c. carotenoids and anthocyanins
d. the breakdown of chlorophyll without the production of new chlorophyll

The correct answer is option A. "vernalization".

Explanation:

Vernalization in plants refers to the induction of flowering as a result of the exposure to prolonged cold of winter, or by artificial means. After vernalization occurs the plant is able to produce flowers, but it may require additional seasons to see them. Vernalization is an independent process of the fall coloration of leaves of deciduous trees, both process are unrelated.

answer; i believe the correct answer is (a)0

as in mitosis, dna replication occurs during interphase.   in meiosis, it occurs specifically in s phase of interphase 1.