Polyploidy · Botany

Which method is commonly used to produce triploid seedless watermelons?

  1. Crossing two different haploid moss species together
  2. Removing all pollen from a flower permanently
  3. Crossing a tetraploid plant with a diploid plant
  4. Growing seeds only in complete darkness for weeks
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Correct answer: Crossing a tetraploid plant with a diploid plant

Triploid watermelons are usually produced by crossing a tetraploid parent with a diploid parent. The resulting triploid plants have three chromosome sets and are usually seedless.

Difficulty: Medium Question 19 of 20

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