Genetic map is one that
Establishes sites of the genes on a chromosomes
Tha correct option is A.
Explanation of the correct option:
Explanation of the incorrect options:
Option B:
Evolutionary biology is used to study the various stages in gene evolution.
Option C:
The study of cell cycle helps in understanding the different stages of cell division.
Option D:
The branch of biology that deals with the study of distribution of various species in a region is called biogeography.
Final answer: Gene map is one that establishes sites of the genes on a chromosome.