15. What information is provided to complete column 3 under meiosis? A 2 - 2N or diploid C.4 - 2N or diploid B. 2- 2N or haploid D. 4 - N or haploid.. 16. Which stage of your development as a human being when you were just one cell? A baby B. fetus C. infant D. Zygote 17. Which is produced by each primary oocyte after oogenesis? A four ova B. one ovum C. one polar body and three ova D. three polar bodies and one ovum 18. Which of the following are formed after gametogenesis? A body cells B. gonads C. sex cells D. somatic cells 19. Which is correct about spermatogenesis and oogenesis? A. spermatogenesis: 1 sperm; oogenesis: 2 eggs C. spermatogenesis: 4 sperms; oogenesis: 1 egg B. spermatogenesis: 2 sperms; oogenesis: 1 egg D. spermatogenesis: 8 sperms; oogenesis: 4 eggs 20. Which one indicates a normal human male? A. X chromosome C. XY chromosomes B. XX chromosomes D. XXY chromosomes​