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Distinguish between Mitosis and meiosis. - Science and Technology 2

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Distinguish Between

Distinguish between

Mitosis and meiosis.

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Solution

 

Mitosis

 

Meiosis
(i) It involves single division, resulting in the formation of two daughter cells. (i) It involves two successive divisions, namely meiosis I and II, resulting in the formation of four daughter cells.
(ii) It is also known as equational division as the daughter cell has the same number of chromosomes as the parent cell. (ii) Meiosis I is known as reductional division where the chromosome number is reduced to half. Meiosis II is known as equational division where the sister chromatids separate while the chromosome number remains the same.
(iii) The prophase stage is short and does not comprise of synapsis, crossing over, and the formation of chiasmata. (iii) Prophase I stage is very long. It comprises of five stages. In the zygotene stage of meiosis I, the pairing of homologous chromosomes takes place. During the pachytene stage, crossing over occurs while in the diplotene stage, chiasmata formation occurs.
(iv) It plays a significant role in cell growth, repair, and healing of wounds. (iv) It brings about variation and maintains constant chromosome number from one generation to another.
(v) It mainly takes place in the somatic cells. (v) It mainly takes place in the reproductive cells.
Concept: Mitosis and Its Types
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APPEARS IN

Balbharati Science and Technology Part 2 10th Standard SSC Maharashtra State Board
Chapter 2 Life Processes in living organisms Part -1
Q 3.3 | Page 21
SCERT Maharashtra Question Bank 10th Standard SSC Science and Technology 2 Maharashtra State Board 2021
Chapter 2 Life Processes in Living Organisms Part - 1
Distinguish between | Q 2

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