SAT English Practice Question

The author is a renowned expert in the field of genetics, and their work is widely recognized by the scientific community. In a recent publication, they discussed the role of a particular gene in the development of certain traits. Their findings have challenged the long-held belief that such traits are completely determined by environmental factors. They assert that the gene can influence the expression of these traits, even in the presence of seemingly constant environmental influences. This discovery has significant implications for our understanding of how nature and nurture interact to shape the characteristics of living organisms. What is the most likely reason why the author discusses the role of the gene?

1. A.explain the scientific process of genetic research.
2. B.highlight the importance of nurture over nature.
3. C.demonstrate that environmental factors are not the only determinants of traits.
4. D.explain the role of a particular gene in the development of a specific trait.