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(Q) In which year was the CRISPR-Cas9 gene-editing tool first developed ?

A) 2010
B) 2012
C) 2014
D) 2016

View Answer B) 2012

Explanation : The CRISPR-Cas9 gene-editing tool was first developed in 2012 by researchers Jennifer Doudna and Emmanuelle Charpentier.

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