GMAT Sentence Correction (SC) | Re: The organs of pigs genetically modified by human stem-cells are now vi

Hi ,
Happy to respond . Basically the thing here is and the one that i learnt on GMAT club is that when we talk about effect of general thing that effect many at a time then take the plural case. If you dont it will imply all the organs are used as resources by only one human being.
One more example consider this----> The males in the mall purchased a pant.(here
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