Two Yeast Cells, One of Type a and the Other

Multiple Choice

Two yeast cells, one of type a and the other type α, are in proximity to each other. The a yeast cell has a mutation in the gene for the α factor receptor protein such that the receptor does not translocate to the surface of the a cell. If both cells secrete their respective a and α factors, which of the following outcomes is most likely to occur?

A) The a and α cells will grow toward each other.
B) The a cell will grow towards the α cell.
C) The α cell will grow toward the a cell.
D) The a and α cells will not grow toward each other at all.