Mitosis, ek prakriya hai jisse ek eukaryotic koshika apne aapko do samankhya koshikon mein vibhajit karti hai. Mitosis ke chaar pramukh avasthaayein hoti hain:
1. **Prophase (Prarambhik avastha)**:
- Is avastha mein, koshika ka DNA khrigat (condense) ho jata hai aur chromosomes ban jate hain.
- Har chromosome do sister chromatids mein vibhajit hota hai, jo centromere ke madhyam se jude hote hain.
- Karyotype (nuclear envelope) dhundhla


