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The chromosomes of an autopolyploid individual come from the same species, whereas an allopolyploid individual has sets of chromosomes from different species.

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What is allopolyploidy?

Allopolyploidy is when a fertile organism has more than two chromosome sets due to two different species interbreeding and combining their chromosomes. Allopolyploids are fertile when they breed with each other but cannot breed with either of their parent species so they are now considered a new biological species. Triticale, a hybrid of wheat and rye, is an allopolyploid with six sets of chromosomes. Amphidiploid is synonymous with alloploid.


Polyploid speciation occurs through?

Polyploid speciation occurs through the duplication of an organism's entire set of chromosomes, leading to the formation of a new species with a different chromosomal count. This can happen through either autopolyploidy (involving duplication within the same species) or allopolyploidy (involving hybridization between different species followed by chromosome duplication).


Autopolyploidy is a speciation process that begins with an event during?

Autopolyploidy is a speciation process that begins with an event during which an organism has extra sets of chromosomes derived from the same species. This can occur through mechanisms such as whole genome duplication. These additional sets of chromosomes can lead to reproductive isolation and eventually result in the formation of a new species.


What has been shown to cause rapid speciation?

1) Hybridization 2) Differential resource exploitation 3) Sexual selection 4) Allopolyploidy Basically all of the above.


Which form of speciation is most rapid A. sympatric speciation via character displacement B. allopatric speciation on the island archipelagos C. sympatric speciation via autopolyploidy D. allopa?

B. Allopactric speciation on island archipelagos. As the organisms move from island to island rapid speciation is observed because of variations in resource acquisition more than just variation in environment. Amplified radiation is observed. Example is finches on the Galapagos Islands. Hawaii also gives this example.


What are hybridization and polyploidization?

If a person would take a male donkey and breed it to a female horse, they would produce a hybrid called a mule. Most likely this happened by chance in the wild but later by humans. This is hybridization. Polyploidization means that the cell does not divide completely during cell division and makes many copies of its' own DNA. This due to an abnormality in the cell and/or proteins that control cell division. This is often see in cancer cells. Poliploidization means addition of more chromosomes in the cell nucleus. This is achieved in two different ways. 1.autopoliploidy: when addition of more chromosomes comes from the same nucleus by failure of spindle formation during metaphase and 2.allopolyploidy: by fusion of another nucleus from other genotype.


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