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The classic view of the cells of the blastema are that they are completely dedifferentiated and...

The classic view of the cells of the blastema are that they are completely dedifferentiated and have the same potential as ES cells. Experiments in which GFP transgenic tissue was transplanted demonstrated which of the following?

A.All blastema cells contribute to all cell lineages during regeneration

B.Blastema cells are embryonic stem cells.

C.Blastema cells do not dedifferentiate.

D.Blastema cells can only contribute to the lineage they were originally.

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Answer #1

A.All blastema cells contribute to all cell lineages during regeneration.

Embryonic stem cells have the potential to form cells of all kinds and lineages within the body. If blastema cells have the same potential as embryonic stem cells, then they will also be able to contribute to all cell lineages during regeneration.

The other options are wrong as, blastema cells behave like ES cells, but they are not ES cells as blastema cells have come originated from a mature tissue and not an embryo; blastema cells do dedifferentiate; blastema cells can contribute to not just the lineage they were developed from originally, but to all lineages.

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