Stem Cells
- Created by: islaaa14
- Created on: 07-12-18 20:45
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- Stem Cells
- Not gone through differentiation
- Not yet become specialised.
- Cells from embryo- embryonic stem cells
- Remain in body of adults- adult stem cells
- Brain
- Eyes
- Blood
- Bone marrow
- Only differentiate into related cell types.
- Meristems- where cell division in plants happens.
- 1 of 2 cells remains meristematic
- Other contributes to growth
- New cells continuously being produced near tip
- Older & further away from tip- become differentiated
- Enlarge and develop vacuoles
- Older & further away from tip- become differentiated
- Rare species cloned- avoid extinction
- Crop plants with special features
- Disease resistance etc
- 1 of 2 cells remains meristematic
- Therapeutic cloning- embryo produced with same genes as patient
- Not rejected from patients body- used in treatment
- May be able to treat diabetes and paralysis
- Risk of infection, ethical issues
- Not gone through differentiation
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