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dlinn [17]
1 year ago
9

A family released their pet fish family into a local pond. The fish had no known local population. The impact of the fish on the

ecosystem is not yet known.
Which term would best define the fish added to the pond?
Biology
1 answer:
nirvana33 [79]1 year ago
3 0

The term that would best define the fish added to the pond is introduced species.

<h3>What is introduction of a species?</h3>

Adaptation to the conditions of the place in which it was inserted, the absence of predators and degradation are the main factors that lead an exotic species to become invasive, competing with native species for resources and causing a great impact on the community.

In this case, the introduced species are exotic species which has arrived there by human activity, may even be harmful to the entire ecosystem because they can break the delicate equilibrium of the ecosystem.

See more about introduced species at brainly.com/question/21452505

#SPJ1

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(2) epigenetic silencing at the promoter of the gene, resulting in reduced transcription.

To check for changes in the epigenetic landscape of the promoter, you could perform chromatin immunoprecipitation by extracting the chromatin from the tumour cells and using antibodies for different chromatin marks to see what has changed between the normal cells and the tumor cells. E.g. H3K9me3, H3K27me3. You would perform a pull down with the antibody of interest and then PCR for your promoter to specifically look at changes at that gene compared to normal cells. To test DNA methylation, you could perform bisulfite sequencing.

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