sentences:  He established a genetics laboratory in Leningrad undertaking experimental work with "Drosophila melanogaster".Theodosius Dobzhansky worked with him from 1924.Filipchenko is also known for his work in Soviet eugenics, though his work in the subject would later result in his public denunciation due to the rise of Stalinism and increased criticisms that eugenics represented bourgeois science.