Implantation is followed by the differentiation of inner cell mass into outer _______ and inner ______
A. ectoderm, endoderm
B. ectoderm, mesoderm
C. ectoderm, mesendoderm
D. mesoderm, endoderm
Answer:A
Implantation is followed by the differentiation of inner cell mass into outer _______ and inner ______
A. ectoderm, endoderm B. ectoderm, mesoderm C. ectoderm, mesendoderm D. mesoderm, endoderm