A Researcher Experimenting with Amphibian Embryos Is Able to Prevent

Multiple Choice

A researcher experimenting with amphibian embryos is able to prevent the expression of the transcription factor Goosecoid in early organizer cells.The most likely result of this intervention is that

A) anterior growth factors will be suppressed.
B) growth factors will be activated that are necessary for head formation.
C) the head will form but the trunk and tail will not form.
D) certain growth factors will be suppressed and the head will form.
E) growth factors preventing head formation will remain active.