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STD 11 - 10. Cell cycle and cell division — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 10. Cell cycle and cell division1 Mark
MCQ
Bivalents in meiosis are
  • ✓
    Tetrad
  • B
    Pairs of non-homologous chromosomes
  • C
    Pairs of several chromatids
  • D
    Pairs of homozygous chromosomes
✓

Answer

Correct option: A.
Tetrad
a
(a) Bivalent formation occurs in pachytene of meiosis, In this stage, two chromatids of homologous chromosome (Bivalent) later on forms a cross and now showing a tetravalent or tetrad stage.

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