26. Higher Order Thinking Skills (HOTS) III

Polyploids are characterised by gigantism. Justify your answer.

 

a. An organism having less than two sets of chromosomes is called polyploidy.

 

• True
• False

 

b. Polyploidy does not occur naturally.

 

c. Polyploidy can be induced by heat, cold treatment, X-rays, and colchicine.

 

d. As organisms produced through polyploidy have less than two set of chromosomes, they are gigantic. Therefore the size of the crops - fruits or vegetables are oversized.