Home
Class 12
BIOLOGY
During gastrulation blastomeres move fro...

During gastrulation blastomeres move from the surface to their destination in the embryo. These movements are c alled

A

Migratory movements

B

Formative movements

C

Morphogentic movement

D

All the above.

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Text Solution:** 1. **Understanding Gastrulation**: Gastrulation is a crucial phase in embryonic development where the single-layered blastula reorganizes into a multi-layered structure called the gastrula. This process involves significant cellular movements. 2. **Identifying Cell Movements**: During gastrulation, the blastomeres (the cells produced by the division of the fertilized egg) move from the surface of the embryo to their designated locations. This movement is essential for the proper formation of the three germ layers: ectoderm, mesoderm, and endoderm. 3. **Types of Movements**: The movements that occur during gastrulation can be classified into different categories: - **Morphogenetic Movements**: These are large-scale movements of embryonic cells that lead to the formation of different structures in the embryo. - **Formative Movements**: These movements are involved in the formation of specific structures, such as grooves or folds in the developing embryo. - **Migratory Movements**: This refers to the organized migration of cells, which can be either epithelial or mesenchymal in nature. 4. **Conclusion**: Since all three types of movements (migratory, formative, and morphogenetic) occur during gastrulation, the correct answer to the question is "all of the above." **Final Answer**: All of the above. ---
Promotional Banner

Topper's Solved these Questions

  • HUMAN HEALTH AND DISEASE

    DINESH PUBLICATION ENGLISH|Exercise CHECK YOUR GRASP|17 Videos

  • INFIORESCENCE

    DINESH PUBLICATION ENGLISH|Exercise check your grasp|10 Videos

Similar Questions

Explore conceptually related problems

When blastomeres from the outer surface are rolled in, into the interior of developing embryo, it is called

During diakinesis chiasmata move from centromere towards the tip of the chromosomes. This type of movement of chiasmata is called

A : Blastocyst undergoes gastrulation to produce the three germinal layers . R : This involves cell movements ( morphogenetic movement ) that eventually help to attain new shape and morphology of embryo

During protein synthesis, a ribosome moves from 5' to 3' end of mRNA to recognise all condons. This movement of ribosome is called

Which two of the following statements are incorrect regarding in vitro fertilisation ? (i) In this method, ova from the wife/donor female and sperms from the husband/donor male are induced to form zygote in the uterus (ii) If the embryo is having 2 blastomeres, it is transferred into the uterus (iii) If the embryo is with more than 8 blastomeres, it is transferred into the uterus. (iv) The baby thus produced is called test tube baby.

A small mass m is moved slowly from the surface of the earth to a height h above the surface. The work done (by an external agent) in doing this is

A small mass m is moved slowly from the surface of the earth to a height h above the surface. The work done (by an external agent) in doing this is

As an object is moved from the surface of a thin converging lens to a focal point, over what range does the image distance very?

During the propagation of a nerve impulse. the action potential results from the movement of :