Dean is conducting a study in which he exposes rats to different amounts of noise to cause different amounts of stress.He then evaluates whether the offspring of those rats have different reactions to stress.What sort of study is Dean conducting

A)  epigenetic study 
B)  behaviour genetic study 
C)  genetic mapping study 
D)  polygenic study

Epigenetic Study

Research focused on changes in gene expression caused by mechanisms other than changes in the DNA sequence itself.

Genetic Mapping

Identifying the exact position and chemical structure of particular genes within a chromosome.

Polygenic Study

Research aimed at understanding traits or conditions that are influenced by multiple genes, in contrast to those determined by a single gene.