What is the composition of chromosomes in prophase?

What is the composition of chromosomes in prophase?
  1. Single chromatid
  2. Two chromatids attached together at the centromere
  3. Four chromatids attached together at the centromere
  4. Eight chromatids attached together at the centromere

Solution

during prophase, two chromatids attach to each other at the centromere.

Asked in: NCERT

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