Which of the following cell groups of a blastocyst will become the outer layer of skin,hair,nails,sensory organs,and nervous system?
A) Ectoderm
B) Endoderm
C) Mesoderm
D) Pachyderm

Question

Quizplus · Accepted Answer

The ectoderm is the cell group of a blastocyst that gives rise to the outer layer of the skin, hair, nails, sensory organs, and nervous system. The endoderm gives rise to the lining of the digestive and respiratory systems, while the mesoderm forms the muscles, bones, heart, and other internal organs. Pachyderm is not a correct choice as it refers to a group of mammals with thick skin, such as elephants and rhinoceroses.

Which of the Following Cell Groups of a Blastocyst Will