is a specific kind of: biologist, life scientist.

is a broader term that covers: cytogeneticist.

instances of which are: Cline, Martin Cline | Haldane, J. B. S. Haldane, John Burdon Sanderson Haldane | Lysenko, Trofim Denisovich Lysenko | Hermann Joseph Muller, Muller | Craig Ventner, J. Craig Ventner, Ventner | James Dewey Watson, James Watson, Watson | August Friedrich Leopold Weismann, Weismann | Ian Wilmut, Wilmut.

derivation: genetic science, genetics.