Initiation of Nervous System Development in Amphibians Occurs When Organizer

Multiple Choice

Initiation of nervous system development in amphibians occurs when organizer cells

A) block BMP proteins from inducing ectoderm to become epidermis.
B) activate BMP proteins to induce ectoderm to become neural tissue.
C) block Goosecoid from inducing ectoderm to become epidermis.
D) block BMP proteins from inducing mesoderm to become epidermis.
E) activate BMP proteins that induce mesoderm to form dermis.