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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
Erythroblastosis foetalis is caused when the mother is ____________.
Explain the process of early cleavage till the formation of morula.
Describe the structure of blastula.
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 an account of cleavage during embryonic development in humans.
Write a note on implantation.
How many hours after fertilization does first cleavage occur?
____________ gets embedded in the endometrium of the uterus.
From which germinal layer are eyes derived?
Name the germinal layer from which nervous system is derived.
What is embryogeny?
What is a morula?
What is the primary function of the syncytiotrophoblast?
What is the primary function of the amnion?
Which organ typically begins forming first during organogenesis?
From which tissues does the placenta develop?
