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What is the difference between Mitosis and Meiosis? NEET 2027 Revisiona


Biology • Class 11/12 • NEET 2027

What is the difference between Mitosis and Meiosis? NEET 2027 Revision
What is the difference between mitosis and meiosis?

Stages, Key Points & Quick Revision Guide for NEET 2027 and Board Exams

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Still Confused About Mitosis and Meiosis? Let's Make It Simple!

What is the difference between mitosis and meiosis? What are their stages, and which points are most important for NEET 2027 and Class 11/12 Board Exams?

Learn mitosis and meiosis without confusion - a simple guide with clear differences, cell division stages, and quick revision notes.

Ideal for Class 11 learners, Class 12 board exam preparation, and NEET 2027 aspirants.

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Difference Between Mitosis and Meiosis

Feature Mitosis Meiosis
Definition Cell division producing genetically identical body cells by the division of its parent cell Cell division producing genetically different gamete
Occurs in Somatic body cells Gametes or reproductive cells
Purpose Growth, repair, replacement Formation of gametes and sexual reproduction
Number of divisions One Two
Number of daughter cells Two One (initially), then four total
Chromosome number Maintained (2n = 2n) Reduced by half (2n = n)
Genetic makeup Identical to the parent cell and from each other Different from parent cell
Type of division Equational division Reductional (meiosis I) + equational (meiosis II)
Synapsis (Zygotene) Absent Present
Crossing over Absent Present during pachytene of prophase I
Homologous chromosomes Do not pair Pair and separate in meiosis I
Sister chromatids Separate during Anaphase Separate during anaphase II
DNA replication Once before mitosis Once before meiosis
Cytokinesis Once Twice
Genetic variation Does not occur Occurs due to crossing over and independent assortment
Importance Growth, tissue repair Sexual reproduction, evolution and genetic diversity
Examples Skin cells and liver cells Sperms and ova (gametes)

Key Takeaways for NEET & Boards

  • Mitosis: Equational division → maintains chromosome number → growth & repair.
  • Meiosis: Reduction division → halves chromosome number → produces genetic diversity.
  • Remember: Meiosis has two divisions but only one DNA replication.
  • Crossing over occurs only in Prophase I of meiosis.
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Prepared for quick revision • NEET 2027 Biology

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