Can a trait be both polygenic and have multiple alleles? Explain.

Yes, a trait can be polygenic and have multiple alleles.

Multiple alleles means that there are more than two alleles for a particular trait which will be present on the same loci.

A polygenic trait can be described as a trait that is controlled by multiple genes which will be present on different loci and may be on different chromosomes.

A polygenic trait might have a gene with multiple alleles.

humans can cause extinction of a species through overharvesting, pollution, habitat destruction, introduction of invasive species (such as new predators and food competitors), overhunting, and other influences. explosive, unsustainable human population growth is an essential cause of the extinction crisis.

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