GMAT Sentence Correction (SC) | Re: Having extracted the BRCA1 and BRCA2 genes from human DNA to

Having extracted the BRCA1 and BRCA2 genes from human DNA to isolate them as a research subject, Myriad Genetics feels it is entitled to its patent on the new DNA compound , but petitioners in a Supreme Court case are contesting it on the grounds that a company cannot copyright nature.

A. Having extracted the BRCA1 and BRCA2 genes from human DNA to isolate them as a research subject, Myriad Genetics feels it is entitled to its patent on the new DNA compound

B. Having had extracted the BRCA1