Spermatogenesis + Oogenesis

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Across
  1. 2. Spermatogonia are diploid (2n) stem cells which give rise to diploid __________ spermatocytes (2n).
  2. 3. When a haploid sperm cell (n) unites with a haploid ovum (n), a diploid __________ (2n) is formed.
  3. 5. __________ is a process that occurs in both males and females. It is a special type of cell division that produces gametes.
  4. 7. After fertilization in the ampulla of the uterine tube, a __________ oocyte finishes meiosis II resulting in a haploid ovum (n) and a second polar body (n).
  5. 10. Spermatids (n) arise from two haploid secondary spermatocytes (n) to form four haploid __________ (n).
Down
  1. 1. __________ is the maturation process by which developing sperm acquire a head and a tail.
  2. 4. During oogenesis, two different times a _______ _______ is formed which contains DNA but no mitochondria or cytoplasm.
  3. 6. The process of __________ is the movement of sperm cells from the seminiferous tubules to their site of maturation.
  4. 8. When a female reaches the age associated with __________, a secondary oocyte will be released from an ovary each month during ovulation.
  5. 9. Before birth, diploid stem cells named __________ (2n) divide to form diploid primary oocytes (2n).