A change in the chromosome number is called

A change in hcromosomal number is called

Basic set of chromosome number is called

Basic set of chromosome number is called

The classification of plants and animals on the basis of chromosome number is called

The classification of plants and animals on the basis of chromosome number is called

The classification of organisms based on chromosome number is called

The classification of organisms based on chromosome number is called

The chromosome number in the melocyte of housefly is 12 and that of its gamete is 6. Write the reason for the change in chromosome number of meiocycle and gamete.