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26/08/2026

🧬 MEIOSIS – I | 15-SECOND REVISION 🧬

CSIR NET Life Sciences ke liye Meiosis-I ko ek flow mein yaad rakho:

PROPHASE-I → SYNAPSIS + CROSSING OVER
⬇️
METAPHASE-I → TETRADS AT EQUATOR
⬇️
ANAPHASE-I → HOMOLOGOUS CHROMOSOMES SEPARATE
⬇️
TELOPHASE-I → 2 HAPLOID CELLS

🔥 EXAM TRAP:
Homologous chromosomes separate, BUT CENTROMERES DO NOT SPLIT in Meiosis-I.

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MeiosisI Genetics CellBiology BiologyNotes QuickRevision CSIRNETNotes DBT CSIRDBT BiologyRevision csir_insights

26/08/2026

🧬 CSIR–DBT IN 15 SECONDS | MITOSIS

MITOSIS = ONE DIVISION → TWO GENETICALLY IDENTICAL DAUGHTER CELLS → SAME CHROMOSOME NUMBER

🔹 PROPHASE → Chromosomes condense
🔹 METAPHASE → Chromosomes align at equator
🔹 ANAPHASE → Sister chromatids separate
🔹 TELOPHASE → Nuclear membranes reform
🔹 CYTOKINESIS → Cytoplasm divides

🧠 CSIR NET MUST REMEMBER:
PMAT → CYTOKINESIS → 2 IDENTICAL CELLS → 2n REMAINS 2n

Save this for your last-minute CSIR NET Life Sciences revision!

Mitosis CellBiology QuickRevision CSIRNETPreparation BiologyNotes CSIRInsights ExamRevision LifeScienceAspirants

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