A mutant strain of yeast possesses a mutation in the nda2 gene, resulting in no production of a1 tubulin. As a result, these cells would most likely
A)not enter M phase.
B)keep the nuclear membrane intact.
C)have little or no spindle formation.
D)not duplicate their chromosomes.
E)not enter S phase.

Question

Quizplus · Accepted Answer

The nda2 gene mutation affects the production of a1 tubulin, which is essential for microtubule formation. Without a1 tubulin, spindle fibers cannot form properly, leading to little or no spindle formation during cell division.

A Mutant Strain of Yeast Possesses a Mutation in the Nda2