Meiosis · Botany

What is independent assortment in meiosis?

  1. Copying and proofreading of DNA before meiosis begins
  2. Formation of a thick waxy cuticle layer on leaf surfaces
  3. Movement of water and dissolved mineral nutrients through the xylem vessels
  4. Random orientation and separation of homologous chromosome pairs
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Correct answer: Random orientation and separation of homologous chromosome pairs

Independent assortment occurs because homologous chromosome pairs orient randomly during metaphase I. This produces different combinations of maternal and paternal chromosomes in gametes or spores.

Difficulty: Medium Question 15 of 20

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