Geneticist (noun)

1. A person who specializes in the study of genetics, especially in relation to the genetic makeup of organisms and the variation and inheritance of traits.
2. A scientist who studies the scientific principles and mechanisms of heredity and the variation of traits.

Origin:

Formed from the adjective 'genetic' which refers to the study of genes and their role in inheritance and from the suffix '-ist' which denotes a person who practices or is skilled in a certain activity.

Examples:

1. The geneticist used DNA analysis to determine the presence of certain genetic mutations in the patient.
2. The geneticist worked with a team of scientists to understand the genetic basis of a particular disease.
3. The geneticist was invited to speak at a conference on the latest advances in the field of genetics.
4. The geneticist was part of a research team that was attempting to develop new methods for gene editing.
5. The geneticist helped a couple understand the genetic risks involved in having children, allowing them to make informed decisions about their family planning.