SajjadAhmad wrote:
The capacity of embryonic stem cells to develop into most types of human tissue, which makes them potentially valuable for medical applications, but the genetic program that underlies this quality is not yet known.
A. tissue, which makes them
B. tissue makes them
C. tissues, which make them
D. tissue, making them
E. tissue make it
1. "Which" in A and C refers to "The capacity of embryonic stem cells to develop into most types of human tissue" - it is not GMAT style.
2. Moreover.
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