You Make Meiotic Chromosome Preparations of Two Species of Tetraploid

question 31

Essay

You make meiotic chromosome preparations of two species of tetraploid plants.In one,there is normal pairing of chromosomes and tetrads (quadivalents)are observed,while in the other,there is abnormal pairing in some preparations and trivalents and univalents are seen.How would you account for the differences between these two species?

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