Multiple choice

During evolutionary phase of Holoblast to Embryo, cells start differentiating. During this phase Embryogenesis, Progenitor B-cells are developed in

  1. fetal thymus gland

  2. bone marrow

  3. fetal liver

  4. all of the above

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The pro B-cells develop in the fetal liver cells during embryogenesis and then later on mature in Bone Marrow. In infants and adults, both development and maturation takes place in bone marrow.