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Fig. 4. Courtship behaviors in retn males. (A,B), (1) Wild type (CS), (2) retn^z2-428/retn^RU50, (3) retn^z2-428/retn^dri8. (A) retn male courtship of females is comparable with wild type. CS males copulate on average 2.7±0.4 minute after initiation of courtship; retn^z2-428/retn^RU50 males copulate on average in 1.0±0.3 minutes (P=0.1 relative to CS); retn^z2-428/retn^dri8 males average 0.9±1.0 minutes (P=0.05 relative to CS). (B) retn males show low levels of bisexual courtship, comparable with wild-type bisexual courtship. CS males average 5.5±2.8 male-by-male courtship events per 5-minute observation period; retn^z2-428/retn^RU50 males average 5.5±2.6 courtship events (P=1 relative to CS); retn^z2-428/retn^dri8 males average 1.5±0.8 events (P=0.2).

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