Ch 4: Fertilization and development of zygote to blastocyst
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Questions and Answers

What is the result of the union between the ovum and sperm cell?

  • A haploid zygote
  • A diploid zygote (correct)
  • A blastocyst
  • A morula

Where does the blastocyst embed itself after traveling from the fallopian tube?

  • Vagina
  • Cervix
  • Ovary
  • Uterus (correct)

What is the term used to describe the solid ball of cells formed by continuous mitotic division of the zygote?

  • Amnion
  • Chorion
  • Morula (correct)
  • Blastocyst

Which structure secretes enzymes to soften a portion of the uterine wall for implantation?

<p>Outer cells of the blastocyst (D)</p> Signup and view all the answers

At what stage does the zygote develop into a hollow, fluid-filled ball of cells?

<p>Around five days after fertilization (A)</p> Signup and view all the answers

What is the term for the process where a haploid ovum and a sperm cell fuse to form a diploid zygote?

<p>Fertilization (C)</p> Signup and view all the answers

Where does implantation of the blastocyst occur?

<p>Uterus (C)</p> Signup and view all the answers

What is the name of the solid ball of cells formed by mitotic division after fertilization?

<p>Morula (B)</p> Signup and view all the answers

Which structure secretes enzymes to soften a portion of the uterine wall for implantation?

<p>Blastocyst (B)</p> Signup and view all the answers

What event follows the formation of the morula during zygote development?

<p>Mitosis (D)</p> Signup and view all the answers

Where does fertilization typically occur in the female reproductive system?

<p>Fallopian tubes (D)</p> Signup and view all the answers

What is the role of the amnion and chorion in embryonic development?

<p>Form extra-embryonic membranes (A)</p> Signup and view all the answers

During which process does the zygote move down the fallopian tube towards the uterus?

<p>Mitosis (A)</p> Signup and view all the answers

What is the end result of continuous mitotic division of a zygote before blastocyst formation?

<p>Morula (A)</p> Signup and view all the answers

What is one of the crucial steps involved in fertilization and development of a zygote to a blastocyst?

<p>Copulation and Fertilization (C)</p> Signup and view all the answers

What is the term for the process where the solid ball of cells known as the morula develops into a hollow, fluid-filled ball of cells called the blastocyst?

<p>Differentiation (B)</p> Signup and view all the answers

After fertilization, what is the first structure formed by the zygote as a result of continuous mitotic division?

<p>Morula (A)</p> Signup and view all the answers

Where does the zygote develop into a morula?

<p>Fallopian Tube (B)</p> Signup and view all the answers

What is the role of the amnion in embryonic development?

<p>Provides nutrition to the developing embryo (D)</p> Signup and view all the answers

At what stage does the blastocyst embed itself into the endometrium of the uterus?

<p>Blastulation (A)</p> Signup and view all the answers

Which part of the blastocyst is responsible for secreting enzymes that soften a portion of the uterine wall during implantation?

<p>Endoderm (A)</p> Signup and view all the answers

When does the zygote undergo mitosis to form a solid ball of cells known as the morula?

<p>After reaching the uterus (A)</p> Signup and view all the answers

Which part of the female reproductive system typically acts as the site for fertilization?

<p>Uterus (A)</p> Signup and view all the answers

At which stage of development does cleavage result in a solid ball of cells known as a morula?

<p>Post-implantation (B)</p> Signup and view all the answers

What is one major function of fertilization in human reproduction?

<p>To determine gender of offspring (A)</p> Signup and view all the answers

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