The appearance of recombination nodules on homologous chromosomes during meiosis characterizes :

(A)Synaptonemal complex
(B)Bivalent
(C)Sites at which crossing over occurs
(D)Terminalization

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: 24 of 24

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 'recombination nodules, the sites at which crossing over occurs', which directly and conclusively matches option C.

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