Bibliography (22):

1. Researchers revive abandoned technique in effort to make artificial human eggs in a test tube

2. Functional Oocytes Derived from Granulosa Cells

3. Gametes from stem cells: Status and applications in animal reproduction

4. Wikipedia Bibliography:

   1. https://en.wikipedia.org/wiki/Ploidy  :

      https://en.wikipedia.org/wiki/Ploidy

   2. https://en.wikipedia.org/wiki/Gamete  :

      https://en.wikipedia.org/wiki/Gamete

   3. https://en.wikipedia.org/wiki/Somatic_cell  :

      https://en.wikipedia.org/wiki/Somatic_cell

   4. Meiosis

   5. https://en.wikipedia.org/wiki/Meiosis#Meiosis_II  :

      https://en.wikipedia.org/wiki/Meiosis#Meiosis_II

   6. https://en.wikipedia.org/wiki/Oocyte  :

      https://en.wikipedia.org/wiki/Oocyte

   7. https://en.wikipedia.org/wiki/G0_stage  :

      https://en.wikipedia.org/wiki/G0_stage

   8. https://en.wikipedia.org/wiki/G1_phase  :

      https://en.wikipedia.org/wiki/G1_phase

   9. https://en.wikipedia.org/wiki/Cell_cycle  :

      https://en.wikipedia.org/wiki/Cell_cycle

   10. https://en.wikipedia.org/wiki/Homologous_chromosome  :

       https://en.wikipedia.org/wiki/Homologous_chromosome

   11. https://en.wikipedia.org/wiki/Chromatid  :

       https://en.wikipedia.org/wiki/Chromatid

   12. https://en.wikipedia.org/wiki/Sperm  :

       https://en.wikipedia.org/wiki/Sperm

   13. https://en.wikipedia.org/wiki/Polar_body  :

       https://en.wikipedia.org/wiki/Polar_body

   14. https://en.wikipedia.org/wiki/Zygote  :

       https://en.wikipedia.org/wiki/Zygote

   15. https://en.wikipedia.org/wiki/Pronucleus  :

       https://en.wikipedia.org/wiki/Pronucleus

   16. https://en.wikipedia.org/wiki/Blastocyst  :

       https://en.wikipedia.org/wiki/Blastocyst

   17. Zygosity § Heterozygous  :

       https://en.wikipedia.org/wiki/Zygosity#Heterozygous

   18. https://en.wikipedia.org/wiki/Embryonic_stem_cell  :

       https://en.wikipedia.org/wiki/Embryonic_stem_cell

   19. Gametogenesis