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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.
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संबंधित प्रश्न
Describe the changes involved during gastrulation.
Describe the structure of blastula.
Attachment of embryo to the wall of the uterus is known as ______.
Answer in one sentence.
Where does fertilization and implantation occur?
Answer in one sentence.
What is the difference between embryo and zygote?
Long answer question.
Explain the process by which zygote divides and re-divides to form the morula.
Pregnant mother supplies nourishment to her foetus through ___________.
Identify the correct order of human embryo development.
After cleavage zygote first forms ____________.
What is the number of blastomeres formed after third cleavage?
____________ gets embedded in the endometrium of the uterus.
Identify the correct order of embryonic development.
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.
Morphogenetic movements occur during ______.
