Question

define mitosis?and its all phase....

Answer 1

$\huge\orange{Hello there!}$ In cell biology, mitosis (/maɪˈtoʊsɪs/) is a part of the cell cycle when replicated chromosomes are separated into two new nuclei. Cell division giving rise to genetically identical cells in which the chromosomes number is maintained.[1] In general, mitosis (division of the nucleus) is preceded by the S stage of interphase (during which the DNA is replicated) and is often accompanied or followed by cytokinesis, which divides the cytoplasm, organelles and cell membrane into two new cells containing roughly equal shares of these cellular components.[2] Mitosis and cytokinesis together define the mitotic (M) phase of an animal cell cycle—the division of the mother cell into two daughter cells genetically identical to each other.

The process of mitosis is divided into stages corresponding to the completion of one set of activities and the start of the next. These stages are prophase, prometaphase, metaphase, anaphase, and telophase. During mitosis, the chromosomes, which have already duplicated, condense and attach to spindle fibers that pull one copy of each chromosome to opposite sides of the cell.[3]The result is two genetically identical daughter nuclei. The rest of the cell may then continue to divide by cytokinesis to produce two daughter cells.[4] Producing three or more daughter cells instead of normal two is a mitotic error called tripolar mitosis or multipolar mitosis (direct cell triplication / multiplication).[5] Other errors during mitosis can induce apoptosis (programmed cell death) or cause mutations. Certain types of cancer can arise from such mutations
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Answer 2

Hey friend, Here is your answer-
Mitosis occurs in somatic cells and stem cells of the body. It has a nucleus. and other cell organelles are also present.
Mitosis is completed through 2 main steps -1. Karyokinesis (nuclear division ) 2. Cytokinesis (cytoplasmic division ).
Karyokinesis is completed through four steps.
1. Prophase
2. Metaphase
3. Anaphase
4. Telophase.
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