Letter Published: 26 March 1955 Effect of Time of Embryo Formation on Quantitative Characters in Drosophila ALAN DURRANT Nature 175, 560–561 (1955) Cite this article ...

Each chaeta of an annelid is formed within an ectodermal invagination, and the modulation of the apical microvilli pattern of the basalmost cell of this invagination determines the structure of the ...

Original Article Published: 01 April 1954 Polygenic systems controlling the expression of major mutant genes which affect chaeta number in Drosophila melanogaster Betty Cocks Heredity 8, 13–34 ...