A Difference Between a Stem Cell and a Progenitor Cell

Multiple Choice

A difference between a stem cell and a progenitor cell is that

A) a progenitor cell cannot self-renew and a stem cell can.
B) a stem cell cannot self-renew and a progenitor cell can.
C) a progenitor cell only yields daughter cells less specialized than itself, whereas a stem cell can yield daughter cells more specialized than itself.
D) progenitor cells are rare but stem cells are abundant.
E) progenitor cells are not present in embryos but stem cells are.