Answer:
The phase of the cell cycle in which the cells are in are called the Stationary Phase.
Step-by-step explanation:
In cell growth, there are various stages involved which determined the actions that took place in within the cell environment. This stages ranges from the lag phase, log phase, stationary phase and lastly death or decline phase.
In the case of the yeast cell being arrested in metaphase as a result of the mutations in it which causes it to grow slowly, this lead it to be in the stationary hase of the cell cycle.