In a germ-line cell from a female grasshopper (XX-XO sex determination system), when do the homologous X chromosomes segregate?

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Homologous X chromosomes in a female grasshopper will segregate during meiosis, resulting in gametes that either contain an X chromosome or contain no sex chromosome (O). This is because the female grasshopper has two X chromosomes and one of them is randomly selected to be included in a haploid gamete during meiosis.

In a Germ-Line Cell from a Female Grasshopper (XX-XO Sex