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Fig. 1. Scheme summarizing the most relevant chromosomal events of germline nuclei at the resting stage and male meiosis in sciarids. Maternally derived chromosomes are represented in blue and paternally derived chromosomes are represented in red. Early embryonic germ nuclei contain three maternal and paternal autosomes (A) plus one maternal and two paternal X-chromosomes (X). E refers to the occurrence of chromosome elimination. Note that the parental origin of meiotic chromosome products in the sperm nucleus and egg are represented as they will be recognized after fertilization (paternal and maternal, respectively).