<span>A scientist who tries to determine how
the differences in a particular personality trait are correlated with
differences in a particular gene, is using the molecular genetics method. Molecular genetics is a</span> variety of research techniques that scientists use to learn about how genes
are associated with which personality traits.<span> Molecular genetics deals </span>with the makeup
and functions of genetic material at the molecular level.
The length of telomeres indicates aging as they shorten over time
