Name the specific terms being used for the following statements :
(a)The chance elimination of the genes of certain traits when a section of population migrates or dies of natural calamity is referred to as …..
(b)Change in the morphology and number of chromosomes at times is referred to as ...
(c )A small group of human beings leave their homes to find a new settlement. This result in the formation of a different genotype in new settlement. It is called ...
