NEET 1996 · Class 11

Cell Cycle and Cell Division

When paternal and maternal chromosomes change their materials with each other in cell division this event is called (1996)

  1. (A)bivalent-forming
  2. (B)dyad-forming
  3. (C)synapsis
  4. (D)crossing-over

The NCERT line that answers it

Verbatim line

This stage is characterised by the appearance of recombination nodules, the sites at which crossing over occurs between non-sister chromatids of the homologous chromosomes.

Chapter
Cell Cycle and Cell Division
Section
10.4.1 Meiosis I
Page
6
Words matched
48 of 48

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states 'crossing over occurs between non-sister chromatids of the homologous chromosomes', which directly matches the MCQ's description of paternal and maternal chromosomes exchanging materials.

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