Genetics: Analysis and Principles 4th Edition by Robert Brooker

تمرين 4

Which of the following statement(s) is/are true with regard to positional information in Drosophila
A. Morphogens are a type of molecule that conveys positional information.
B. Morphogenetic gradients are established only in the oocyte, prior to fertilization.
C. Cell adhesion molecules also provide a way for a cell to obtain positional information.