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5 Written questions

5 Matching questions

  1. Cervix
  2. Metaphase
  3. Spermatogenesis
  4. Chiasmata
  5. Ovulation and Menopause
  1. a - women ovulate about once every four weeks
    - menapause occurs between age 45 and 50
    - during menopause, ovaries become less sensitive to the hormones that stimulate follicle development (FSH and LH), and eventually they atrophy
    - remaining follicles disappear, estrogen and progesterone levels greatly decline and ovulation stops
  2. b - chromosomes align
  3. c where chromosomes are joined
  4. d - lower, narrow end of the uterus
    - connects with the vaginal canal
  5. e - "sperm production"
    - occurs in seminiferous tubules
    - after a male reaches sexual maturity, about 3 million primary spermatocytes begin spermatogenesis per day
    - maturation takes about 65-75 days

5 Multiple choice questions

  1. - sister chromatids separate
    - telomeres are the last part of the chromatids to separate
  2. - result when a single zygote splits into two embryos
    - if splitting occurs at the two-cell stage of development, embryos will have separate chorions and separate placentas
    - if it occurs at blastula stage, embryos only have one chorionic sac and share a placenta (and probably amnion)
  3. - results when two ova are released in one ovarian cycle
    - fertilized by two different sperm
    - two embryos implant in the uterine wall individually
    - each develops its own placenta, amnion and chorion
    - share characteristics in the level of siblings
  4. - prokaryotes' way of of cell division
    - a type of asexual reproduction
    - splits into two equal halves, each daughter cell receives a complete copy of the original chromosome
  5. - four stages: G₁, S, G₂ and M
    - interphase: first three stages
    - mitosis includes the actual cell division

5 True/False questions

  1. Uterus- site of fetal development


  2. Zona Pellucida- male: testes
    - female: ovaries


  3. Vaginal Canal- mixed with sperm, aids in sperm transport by lubricating passageways
    - semen: sperm + seminal fluid
    - produced by:
    a) seminal vesicles: fructose-rich fluid, serves as energy source
    b) prostate gland: alkaline milky fluid to protect from acidic environment in female's reproductive tract
    c) bulbourethral glands: small amount of viscous fluid, function unknown


  4. Telophase II- homologous chromosomes come together and intertwine
    - at this stage, chromosome consists of two sister chromatids
    - where recombination and crossing over happens, responsible for increased genetic diversity


  5. Budding- lower, narrow end of the uterus
    - connects with the vaginal canal