Question : Name the chemical which is used by plant breeders to induce polypoidy.(a)What is its other significance?(b)What is the source of the above mentioned chemical?

Question : Name the chemical which is used by plant breeders to induce

1.	Question : Name the chemical which is used by plant breeders to induce polypoidy.(a)What is its other significance?(b)What is the source of the above mentioned chemical?
Answer» ANSWER :(a)Colchicine,an alkaloid. Colchicine is also to stop cell division at metaphase so that condensed CHROMOSOMES may br obtained for STUDYING their MORPHOLOGY and prepare a karyotype. (B)colchicine is obtained form the corms of the autumm crocus plant,colchicum autumnale.