Complex sentence: In recent years, Dronamraju's research focused on the history of genetics and human/medical genetics, resulting in the publication of several books, especially with reference to the contributions of his mentor J. B. S. Haldane.
Split into simpler sentences: In recent years, Dronamraju's research focused on the history of genetics and human/medical genetics. He has published several books, especially with reference to the contributions of his mentor J. B. S. Haldane.