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

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 10. Cell cycle and cell division1 Mark
MCQ
In the pachytene stage
  • A
    Chromosomes are thin and long
  • ✓
    Homologous chromosomes undergo crossing over and chiasmata are seen
  • C
    Bivalents become very short and chaismata move towards ends of chromosomes
  • D
    Chromosomes have reached poles
✓

Answer

Correct option: B.
Homologous chromosomes undergo crossing over and chiasmata are seen
b
(b)Homologous chromosomes moves apart they remain attached to one another of specific points called chiasmata.

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