English and Literature MLA

Genetic Engineering

The Topic is Genetic Engineering
Ive copied 4 different links regarding 4 different aspects of genetic engineering.Please Include an abstract and a conclusion as-well.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5437137/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6140331/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6862092/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4091186/

Ive uploaded an sample which was given by the lecture as-well.