Biology Chapter on Fertilization and Implantation
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Questions and Answers

Where does fertilization primarily take place?

  • In the ampulla or outer 1/3 of the fallopian tube (correct)
  • In the uterus
  • In the ovaries
  • In the vagina

    • What is the total number of chromosomes contributed by both the ovum and the sperm?

  • 22
  • 23
  • 44
  • 46 (correct)

    • What hormone is secreted by the chorionic villi, and what is its primary function?

  • Luteinizing hormone, to facilitate fertilization
  • Progesterone, to maintain the menstrual cycle
  • Human Chorionic Gonadotropin (HCG), to stimulate continued hormone production by the corpus luteum (correct)
  • Estrogen, to promote ovulation

    • During implantation, where in the uterus is the blastocyst most commonly located?

    <p>In the fundus</p> Signup and view all the answers

    What characterizes the 'Dirty Duncan' appearance of the placenta?

    <p>A dark red, rough surface representing the uterine side</p> Signup and view all the answers

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