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Questions and Answers
What is the fertilization membrane made up of?
What is the fertilization membrane made up of?
- Chorion
- Blastocoel
- Vitelline membrane
- Chorion and vitelline membrane (correct)
What is the fate of the blastocoel at the end of gastrulation?
What is the fate of the blastocoel at the end of gastrulation?
- It remains as a hollow cavity
- It becomes a morula
- It turns into the fertilization membrane
- It is obliterated (correct)
What determines the stage of the embryo in early cleavage stages?
What determines the stage of the embryo in early cleavage stages?
- Shape of the cells
- Color of the cells
- Number of cells (correct)
- Size of the cells
What is characteristic of a Morula stage embryo?
What is characteristic of a Morula stage embryo?
What secretes the fertilization membrane in the ovary?
What secretes the fertilization membrane in the ovary?
What is distinctive about the gastrula stage?
What is distinctive about the gastrula stage?
Where does fertilization occur in Ascaris females?
Where does fertilization occur in Ascaris females?
What is the diploid number in Ascaris?
What is the diploid number in Ascaris?
What is the result of fertilization in animal cells?
What is the result of fertilization in animal cells?
What part of the female reproductive tract in Ascaris enlarges to form the uterus?
What part of the female reproductive tract in Ascaris enlarges to form the uterus?
How do Ascaris reproduce?
How do Ascaris reproduce?
Where do sperm cells enter the eggs during copulation in Ascaris females?
Where do sperm cells enter the eggs during copulation in Ascaris females?
What is the primary difference between the primary oocyte and the fertilized egg?
What is the primary difference between the primary oocyte and the fertilized egg?
What is the characteristic feature of the pronuclear stage?
What is the characteristic feature of the pronuclear stage?
What is the role of the male pronucleus in fertilization?
What is the role of the male pronucleus in fertilization?
Which structure transforms into a pronuclei during fertilization?
Which structure transforms into a pronuclei during fertilization?
What is the main function of the fertilization membrane?
What is the main function of the fertilization membrane?
At what stage does the nucleus of the ovum transform into the female pronucleus?
At what stage does the nucleus of the ovum transform into the female pronucleus?
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