Multiple choice

Which of the following produces androgenic haploids in anther cultures?

  1. Connective tissue

  2. Young pollen grains

  3. Tapetal layer of anther wall

  4. Anther wall
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B Correct answer
Explanation

Young pollen grains are immature male gametophytes that are haploid (n). When anthers are cultured in nutrient medium, pollen grains can divide and form haploid callus tissue, which can regenerate into complete haploid plants - a process called androgenesis. Other tissues mentioned are diploid or somatic.

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