Download or read book OECD Guidelines for the Testing of Chemicals, Section 4 Test No. 477: Genetic Toxicology: Sex-Linked Recessive Lethal Test in Drosophila melanogaster written by OECD and published by OECD Publishing. This book was released on 1984-04-04 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mutations in the X-chromosome of Drosophila melanogaster are phenotypically expressed in males carrying the mutant gene. When the mutation is lethal in the hemizygous condition, its presence is inferred from the absence of one class of male ...