Question

select all that apply
in which three locations does erythropoiesis occur in an unborn baby?
□ the red bone marrow
□ the spleen
□ the liver
□ the yolk sac
□ the yellow bone marrow

Explanation:

Erythropoiesis in an unborn baby occurs in the yolk - sac in early embryonic life, then in the liver and spleen, and finally in the red bone marrow. Yellow bone marrow is mainly for fat storage and not involved in erythropoiesis in the fetus.

Answer:

the red bone marrow, The spleen, the liver, the yolk sac