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Sex
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Sexual dimorphism Sexual differentiation Feminization Virilization Sex-determination system XY XO ZW ZO Temperature-dependent Haplodiploidy Heterogametic sex Homogametic sex Sex chromosome X chromosome Y chromosome Sex chromosome anomalies Testis-determining factor Hermaphrodite Sequential hermaphroditism Simultaneous hermaphroditism Intersex (biology) Mating type
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The ZO sex-determination system is a system that determines the sex of offspring in several moths. In those species, there is one sex chromosome, Z. Males have two Z chromosomes, whereas females have one Z. Males are ZZ, while females are ZO.^[1][2][3]

• Y-chromosomal Adam
• Sex Determination in Silene
• Sex-determination system
• Sexual differentiation
• Haplodiploid sex-determination system
• XY sex-determination system
• XO sex-determination system
• ZW sex-determination system
• Temperature-dependent sex determination
• X chromosome
• Y chromosome

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