vernalization
cold period needed for flowers to be produced
long day
short night
short day
long night
critical night period
determines if a plant will grow under certain conditions
when does a short night plant bloom
when the night is shorter than the critical night period
when does a long night plant bloom
when the night is longer than the critical night period
clock genes
genes expressed and result in mRNA and are expressed when critical period exceed (ln) or is less than (sn)
how do plants bloom
Hd3a mRNA is turned into protein and transferred to the tip