Experimental overexpression of β-catenin in another region of an amphibian embryo results in
A) failure of cleavage to occur.
B) induction of a second axis of embryo formation.
C) failure of gastrulation to occur.
D) failure of invagination to occur.
E) speeding up of the cleavage process.

Question

Quizplus · Accepted Answer

Overexpression of β-catenin has been shown to result in the induction of a second axis of embryo formation in amphibians, indicating that it plays a key role in the establishment of the primary embryonic axis.

Experimental Overexpression of β-Catenin in Another Region of an Amphibian