Minor change in gene's structure is called

The spread of genes from one breedign population to another by migration which may result in changes in gene frequency is called

The substance which causes a defineite change in genes is called

The substance which causes a defineite change in genes is called

Leaves are changed into spines in xerophytic structures called

A sudden or spontaneous change in the structure and action of a particular gene is called

A theory of explain the mechanism of evolutino based on change in the structure of gene was put forth by :

A sudden spontaneous change in structure and action of a gene is called