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Binary Fission in Amoeba Video Lecture - Class 8
FAQs on Binary Fission in Amoeba Video Lecture - Class 8
| 1. What is binary fission in Amoeba? |  |
Ans. Binary fission is a form of asexual reproduction in Amoeba, a single-celled organism. It involves the division of the parent cell into two identical daughter cells. During binary fission, the nucleus of the Amoeba undergoes division followed by the division of the cytoplasm, resulting in the formation of two genetically identical daughter cells.
| 2. How does binary fission occur in Amoeba? | |
Ans. Binary fission in Amoeba occurs in a series of steps. Firstly, the nucleus of the Amoeba undergoes division, forming two identical nuclei. Then, the cytoplasm starts to divide, creating a furrow or indentation in the cell membrane. As the furrow deepens, it eventually splits the parent cell into two daughter cells, each containing one nucleus. The process is completed when the cell membrane fully separates the two daughter cells.
| 3. What is the purpose of binary fission in Amoeba? | |
Ans. The purpose of binary fission in Amoeba is to reproduce and multiply. As a single-celled organism, Amoeba relies on binary fission as its primary mode of reproduction. By undergoing binary fission, Amoeba can create genetically identical offspring, allowing for rapid population growth and survival in favorable environments.
| 4. How often does binary fission occur in Amoeba? | |
Ans. The frequency of binary fission in Amoeba varies depending on environmental conditions and the availability of nutrients. Under ideal conditions, Amoeba can undergo binary fission every few hours. However, in unfavorable conditions, such as scarcity of food or extreme temperatures, Amoeba may enter a dormant stage and cease reproduction until conditions improve.
| 5. Can binary fission result in genetic variation in Amoeba? | |
Ans. No, binary fission does not result in genetic variation in Amoeba. Since binary fission involves the division of a single parent cell into two identical daughter cells, there is no exchange or recombination of genetic material. The offspring produced through binary fission are genetically identical to the parent cell, maintaining the same genetic information. Genetic variation in Amoeba primarily occurs through processes like mutation or genetic exchange with other organisms.
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