Biology of Fertilization: From Sperm to Zygote
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Questions and Answers

What happens to the sperm during fertilization?

  • Sperm undergoes meiosis to increase its genetic material
  • Sperm fuses with the oocyte without any obstruction
  • Millions are killed due to acidity and blocked by cervical mucus (correct)
  • Sperm is attracted to the oocyte through chemotaxis

    • What is the function of the acrosomal reaction during fertilization?

  • To increase the motility of sperm
  • To fuse the sperm nucleus with the oocyte nucleus
  • To release enzymes to penetrate the corona radiata and zona pellucida (correct)
  • To release hormones to stimulate ovulation

    • What is the process called when a fertilized oocyte completes meiosis and polar body is ejected?

  • Gestation
  • Fertilization
  • Zygote formation (correct)
  • Implantation

    • What is the function of hCG during implantation?

    <p>To keep the corpus luteum healthy and secreting progesterone</p> Signup and view all the answers

    What is the term for the zygote and its associated membranes moving to the uterus?

    <p>Conceptus</p> Signup and view all the answers

    What is the term for the implantation of the blastocyst outside the uterus?

    <p>Ectopic pregnancy</p> Signup and view all the answers

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