What is the biological role of meiosis?

1) is the main stage of gametogenesis:
2) ensures the transfer of genetic information from organism to organism during sexual reproduction;
3) daughter cells are not genetically identical to the maternal and to each other (combinative genotypic variability of the species);
4) due to meiosis, the sex cells are haploid, and during fertilization in the zygote, the diploid set of chromosomes is restored.

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