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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
The trophoblast cells in contact with embryonal knob are called ___________.
Explain the process of early cleavage till the formation of morula.
Attachment of embryo to the wall of the uterus is known as ______.
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.
Name the embryonic layer from which heart, blood, and blood vessels develop.
Write a note on implantation.
Identify the correct order of human embryo development.
After cleavage zygote first forms ____________.
What is the number of blastomeres formed after third cleavage?
____________ is derived from ectoderm.
____________ gets embedded in the endometrium of the uterus.
From which germinal layer are eyes derived?
Name the hormone secreted by placenta after implantation.
Mention the names of any two organs each derived from ectoderm and mesoderm.
Name the germinal layer from which nervous system is derived.
