Environment–Gene Interaction in Development
An offspring’s normal development is governed by the genetic material inherited from the parental egg…
Embryogenesis
Neural Crest
The neural crest, a two-strip tissue running lengthwise above the neural tube, develops the peripheral…
Major Structures Arising Out of Primary Germ Layers
Ectoderm, mesoderm, and endoderm are the major structures arising out of the primary germ layers.…
Stages of Early Development (Order and General Features of Each)
The early stages of embryonic development, such as fertilization, cleavage, blastula formation, gastrulation, and neurulation,…