describe binary fission in amoeba with the help of labelled diagram
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Answer:
What is Binary Fission?
Binary fission is a type of asexual reproduction typically observed in prokaryotes and few single-celled eukaryotes. In this method of asexual reproduction, there is a separation of the parent cell into two new daughter cells. This process happens with the division and duplication of the parent’s genetic matter into two parts, here, each daughter cell receives one copy of its parent DNA.
It is a primary method of reproduction in prokaryotic organisms. Binary Fission occurs without any spindle apparatus formation in the cell. In this process, the single DNA molecule begins replication and then attaches each copy to various parts of the cell membrane. When the cell starts to get drawn apart, the original (actual) and replicated chromosomes get apart.
However, asexual mode of reproduction has a significant drawback. All resultant cells are genetically identical, mirror copies of each other and the parent cell. Most antibiotics work on this principle. If a parent cell is vulnerable to an antibiotic, then all resultant daughter cells are vulnerable too. If a mutation occurs in their genes, then it can render a particular strain resistant to antibiotics.
Prokaryotes such as E. coli, Archaea as well as eukaryotes such as euglena reproduce through binary fission.
Binary Fission
Binary fission is a form of cell division in eukaryotes. In prokaryotes, it is a form of asexual reproduction
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Answer:
Binary fission is a method of asexual reproduction. Amoeba reproduces by this asexual method. As the name indicates, the parent cell splits into two to form two new daughter cells. ... Then the cytoplasm begins to divide and gradually the two daughter cells separate completely.
Asexual type of reproduction is found only in lower organisms. Lower organisms produce same young ones by this method which are also exactly similar to parents. In amoeba, the nucleus in the cell elongates and divide into two parts from the centre. After nuclear division, the cell membrane divides into two parts by constriction and along with this the cytoplasm also divides due to which two offsprings are produced from the parent amoeba which develops individually.
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