Hematopoiesis begins at around day 7 after fertilization in mice.What is the site of precursor cells at this stage of fetal development?

Question

Quizplus · Accepted Answer

Hematopoiesis in early embryonic development in mice begins in the yolk sac. This is the initial site where blood cells start to form, before later stages of development when hematopoiesis shifts to other organs such as the liver, spleen, and eventually the bone marrow.

Hematopoiesis Begins at Around Day 7 After Fertilization in Mice