Deviations in the Z:A ratio disrupt sexual development in the eri silkmoth, Samia cynthia ricini
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Moths and butterflies (Lepidoptera) have sex chromosome systems with female heterogamety, and 2 models, W-dominance and Z-counting, have been proposed to determine sex. The W-dominant mechanism is well known in Bombyx mori. However, little is known about the Z... ...