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  3. A sudden, stable and heritable change which alters the genotype of an organism is called as

. A sudden, stable and heritable change which alters the genotype of an organism is called as

a. Mutation

b. Crossing over

c. Hybridisation

d. Polyploidy

Best Answer

a.

Mutation occurs due to change in chromosome number or structure, or change in base sequence of any gene. Mutation can be induced by radiation (X-rays, UV rays Gamma rays) or chemicals. Mutation is used in plant breeding to develop improved varieties, it is called as mutation breeding.

 

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