Figure 2
From: Genetic variation of copia suppression in Drosophila melanogaster
Electron micrographs of testes cross-section parental lines. (a) and (c) Maturing spermatid from the 2b and Ore line, respectively, with its axoneme (Ax), major mitochondrial derivative (M), and minor mitochondrial derivative (m). (b) and (d) A higher magnification of a single spermatid from 2b and Ore, respectively, with virus-like particles indicated by the arrow.
