GMAT Sentence Correction (SC) | Re: In the field of eugenics, geneticists have thoroughly

In the field of eugenics, geneticists have thoroughly scrutinized the human genome and its ability to shape certain traits to select and pre-determinean increasing impressive number of physiological characteristics in the unborn, each “ready to order” to parents’ specifications.

A) increasing impressive number of physiological characteristics in the unborn, each
B) increasingly impressive number of physiological characteristics in those not yet born, and each one
C) increasing impressive