BRAINCAKEStem Cells
Stem cells are undifferentiated cells.
The zygote undergoes mitosis repeatedly to become a mass of undifferentiated cells which have the potential to become any of the cell types.
During embryonic development, cells gradually lose their undifferentiated state and become specialised, taking on specific functions.
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Key terms in this lesson
- mitosis
- Nuclear division producing two daughter nuclei that are genetically identical to the parent nucleus, used in growth, repair and asexual reproduction.
More in Cell Division
- Specialised Cells and Tissues
- Epithelial Cells
- Specialised Plant Cells
- Organs and Organ Systems
- Stem Cell Potency
- Differentiation
- Replacement of Red and White Blood Cells
- Sources of Animal Stem Cells
All 31 lessons in Cell Division · All OCR AS-level Biology topics