Q7 (IAS/2002) Science & Technology › Biotechnology & Health › Biotechnology & Health

With reference to the latest developments in stem cell research, consider the following statements: 1. The only source of human stem cells are the embryos at blastocyst stage 2. The stem cells can be derived a without causing destruction to blastocysts 3. The stem cells can regenerate themselves in vitro virtually forever 4. Indian research centres also created a few cell lines which can be developed into many types of tissues Which of these statements are correct?

A

1, 2, 3 and 4

B

1, 2 and 3

C

1, 2 and 4

D

3 and 4

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