Which one of the following statements is correct?

1. Stem cells are specialized
2. There is no evidence of the existence of gills during embryogenesis of mammals
3. All plant and animal cells are totipotent
4. Ontogeny repeats phylogeny

Subtopic:  Embryological Evidence of Evolution |
 60%
AIPMT - 2007
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NEET 2023 - Target Batch - Aryan Raj Singh
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