Vidyalelo
Agriculture · Q570

Genetics And Plant Breeding

Graduate and Post Graduate · Agriculture · question 570

Q570

'Colchicine' interferes with

A.
Replication
B.
Recombination
C.
Formation of spindle fibres
Answer
D.
All of these

Answer: Option C

Solution

Answer: Option C
Solution:
'Colchicine' interferes with the Formation of spindle fibres.
The alkaloid drug, colchicine, extracted from the corm of the autumn crocus (Colchicum autumnale), arrests mitosis in metaphase by interfering with the formation of spindle fibrils, thereby retarding the division of the centromeres and preventing the division of the centrioles.