TY - GEN AU - Chovnick,Arthur AU - Lefkowitz,R.J. AU - Fox,Allen S. TI - A phenogenetic study of the lozenge pseudoalleles in Drosophila melanogaster: II. Effects on the development of tarsal claws in heterozygotes PY - 1956/// CY - [S.l. PB - s.n.], ER -