When are the three primary germ layers established during pregnancy?
A)First week of development
B)Second week of development
C)Third week of development
D)Fourth week of development
E)Second month of development

Question

Quizplus · Accepted Answer

The three primary germ layers (endoderm, mesoderm, and ectoderm) are established during the third week of development, specifically during gastrulation.

When Are the Three Primary Germ Layers Established During Pregnancy