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Biology - Stem Cells - Coggle Diagram
Biology - Stem Cells
Embryonic Stem cells
divide to produce more undifferentiated cells
differentiate into any type of cells
found in early human embryos
potential to turn into any kind of cell
all different types of cells found in a human being have to come from few cells in embryo
Research
medicine already uses adult stem cells to cure diseases
Embryonic Stem cells
uses to replace faulty cells in sick people
therapeutic cloning
embryo can be made with same genetic material as patient
stem cells produced from this embryo also share same genes, wouldln’t be rejected
Adult Stem cells
bone marrow
can only turn into certain cells (blood cells)
Ethics
AGAINST
human embryos shouldn’t be used
each one is a human life / potential to be
scientists concentrate more on finding and developing other sources of stem cells
FOR
curing suffering patients is more important than right of embryos
embyos used in research - unwanted from fertility clinics
otherwise be destroyed
Plants
stem cells found in meristems
differentiate - any type of plant cells lost through entire life
used to produce clones of whole plants
cheap
quick
grow more plants of rare species
grow crops of identical plants - desired features for farmers
Undifferentiated cells