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प्रश्न
Answer in one sentence.
Give two differences between blastula and gastrula.
Difference between blastulation and gastrulation.
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उत्तर
| Blastula | Gastrula | ||
| 1. | It is formed during the early mitotic division through the process of blastulation. | 1. | It is formed at a later stage through the process of gastrulation. |
| 2. | Blastula is formed from morula. | 2. | Gastrula is formed blastula. |
| 3. | It is formed through rapid mitotic divisions. | 3. | It is formed by slower mitotic divisions. |
| 4. | The cells do not move during the formation of the blastula. | 4. | The cells move through morphogenetic movement during the formation of the gastrula. |
| 5. | Germinal layers absent. | 5. | The formation of three germinal layers occurs. |
| 6. | Cells are undifferentiated. | 6. | Cells undergo differentiation |
Notes
Students should refer to the answer according to the question.
संबंधित प्रश्न
Explain the process of early cleavage till the formation of morula.
Attachment of embryo to the wall of the uterus is known as ______.
Write an account of cleavage during embryonic development in humans.
Write a note on implantation.
Which of the following is an endodermal derivative?
______ develops from endoderm.
After cleavage zygote first forms ____________.
What is the number of blastomeres formed after third cleavage?
Secondary sexual characters in females develop in response to hormone ______.
Which of the following is odd pair among those given below?
Observe the figure given below and identify the one showing formation of
- Epiblast
- Hypoblast
- Amniotic cavity
- Yolk sac
Name the germinal layer from which nervous system is derived.
Define cleavage.
Morphogenetic movements occur during ______.
Extra embryonic membrane that immediately surrounds and protects the embryo is ______.
What is embryogeny?
What is a morula?
Which type of cleavage is characteristic of human development?
