cell division

Question 1

what are alternative ways scientists are hoping to exert stem cells?

Answer 1

-by altering genes in adult stem cells- somatic cell nuclear cell transfer.

• can be harvested in the bone marrow
• can be found in the umbilical cord or amniotic fluid.

Question 2

pros and cons of adult bone marrow

Answer 2

pros-
-no ethical issues
-quick recovery
-well tested(safe relatively)

cons-
operation hazard e.g. infection
few types of cells produced
painful may deter donors