The genus Allium has species that are used widely in agriculture. Many of these species have been bred to be polyploid.
Which of the following is not a benefit that comes from breeding polyploid crop plants?
Increases hybrid vigour
Reduces the risk of recessive mutations causing detrimental effects
When populations exist in the same area it can lead to allopatric speciation, which produces more varieties that can be sold
Permits novel phenotypes to be generated
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