A few questions about stem cells?

a.) Can stem cells be grown into any other type of cell? b.) How are they grown into other types of cells? c.) Are embryonic/fetal stem cells better than those from adult bone marrow? d.) What are some ethical arguments against using embryonic/fetal stem cells? e.) Are there any ethical arguments against using... show more a.) Can stem cells be grown into any other type of cell?
b.) How are they grown into other types of cells?
c.) Are embryonic/fetal stem cells better than those from adult bone marrow?
d.) What are some ethical arguments against using embryonic/fetal stem cells?
e.) Are there any ethical arguments against using adult bone marrow stem cells?
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