Question

mesodermal cells form a single cell during growth of embryo means ?

Answer 1

Mesodermal cell from a single cell during the growth of embryo mean: Asingle cell (zygote) undergo meiosis and differentiation to develop intoembryo. In this embryo duringgastrulation, only some cell migrate inward contributing to mesodermbetween the two germ layer i.e. ectoderm and endoderm