Totipotency Flashcards
1
Q
What are stem cells?
A
An undifferentiated cell of a multicellular organism which is capable of giving rise to indefinitely more cells of the same type, and from which certain other kinds of cell arise by differentiation.
2
Q
What are totipotent cells?
A
Stem cells that can mature (develop) into any type of body cell in an organism.
These are only present in the early life of an embryo.
3
Q
How are genes prevented from expressing themselves?
A
Preventing transcription and hence production of mRNA
Breaking down mRNA before its genetic code can be translated
4
Q
Where are adult stem cells found?
A
Inner lining of the small intestine, skin, bone marrow
5
Q
What can stem cells be used for?
A
Treating genetic disorders (thalassaemia, sickle cell anaemia)
