NEET Previous Year Question

Which is incorrect statement about meiosis?

Topic: NEET PYQ

Answer: C. Full step-by-step solution below.

  1. AMeiosis involves two sequential cycles of nuclear and cell division called meiosis I and meiosis II but only a single cycle of DNA replication.
  2. BMeiosis I is initiated after parental chromosome have replicated to produce sister chromatids at the S phase.
  3. CMeiosis involves pairing of nonhomologous chromosomes and recombination between them.
  4. DFour haploid cells are formed at the end of meiosis-II.

Correct answer: C

Solution

(c) because meiosis involves pairing of homologous chromosomes, not non-homologous chromosomes. Crossing over/recombination also occurs between non-sister chromatids of homologous chromosomes during pachytene of Prophase-I.

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