Plant species A has a diploid number of 12. Plant species B has a diploid number of 16. A new species, C, arises as an allopolyploid from A and B. The diploid number for species C would probably be

Question

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Allopolyploidy combines the chromosome sets from different species. In this case, species C has two sets of chromosomes from A and two sets from B. Therefore, the diploid number for species C would be (2 x 12) + (2 x 16) = 28.

Plant Species a Has a Diploid Number of 12