Question
Biology Question on Cell Cycle
A material which arrests cell division is obtained from:
A
Dalbergia
B
Chrysanthemum
C
Crocus
D
Colchicine
Answer
Colchicine
Explanation
Solution
The correct answer is option (D): Colchicine
Colchicine is a chemical that is obtained from the corms of a plant called Colchicum. It can prevent the formation of a structure called a spindle during nuclear division by stopping the formation of microtubules. This can cause somatic doubling, which means that the number of chromosomesin a cell can double.