They can only differentiate into blood cells.

They are found in bone marrow.

They can differentiate into any type of specialized cell.

They are more prone to rejection.

By transforming into red blood cells.

By suppressing the immune system.

By replacing damaged nerve cells.

By differentiating into insulin-producing pancreas cells.

They are difficult to obtain.

They can only differentiate into blood cells.

They are more likely to be rejected.

They can cause tumors.

Using adult stem cells instead.

Suppressing the patient's immune system.

Increasing the supply of embryonic stem cells.

Using stem cells from a different species.

They can differentiate into any cell type.

They are less likely to be rejected by the immune system.

They are more readily available from embryos.

They have no ethical concerns associated with their use.