Vernalization

Question 1

What is vernalization

Answer 1

Promoting flower growth after exposing it to low temp

Question 2

At what temp is vernalization done

Answer 2

0-5

Question 3

Is vernalization reversible

Answer 3

Yes

Question 4

Which part of plant is affected by vernalization

Answer 4

Apical meristem - turns into reproductive meristem

Question 5

Which phytohormone can be used in place of vernalization

Answer 5

GA

Question 6

What is the mechanism of vernalization

Answer 6

It affetcs FLC FLOWERING LOCUS C- which supress flower growth by MADS box

It lowers FLC BY VRN1&2

Question 7

Gene which regulate flowering

Answer 7

Floral meristem identify
Floral organ identity

Question 8

Function of floral meristem gene

Answer 8

Vegetative stem to reproductive stem
Gene-
LFY
API
CAL

Question 9

Function of floral organ gene

Answer 9

Control gene whose organ produce floral organ
Eg
PI
AG
AP1,2,3

Question 10

Pathways affecting flowering

Answer 10

GA pathways- increase LFY

Automous vernalization - black FLC- HIGH SOC1

Photoperiodic pathway- Activate CO- Active FT- FT+FD- SOC1+AP1- LFY

Question 11

ABCDE Model of flower

Answer 11

Sepals- A+E
PETALS- A+B+E
STAMEN-B+C+E
CARPEL-C+D+E

GENE D - OVULE

if Sep4- all leaf