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The CDO cycles in DD and is temperature-compensated. (A) The cog-1 mutation restores circadian rhythms in development to frq-null and wc-1-null strains in DD. Representative race-tube pictures of the indicated strains are shown from cultures grown in DD at 25° and labeled as in Figure 2. (B) cog-1 rhythms are temperature-compensated. Plots of the period (h) vs. temperature (°C) are shown for the indicated strains (±SD, n ≥ 60).
