With reference to ‘stem cells’, frequently in the news, which of the following statement(s) is/are correct?1. Stem cells can be derived from mammals only.2. Stem cells can be used for screening new drugs.3. Stem cells can be used for medical therapies.Select the correct answer using the codes given below:(a) 1 and 2(b) 2 and 3(c) Only 3(d) 1, 2 and 3
b
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