Question Detail

BIO 101 BIO 101 Past Questions Objective Question

Question

What critical event occurs during interphase for proper chromosome segregation?
Options
A DNA is replicated to form sister chromatids
Correct Answer
B Chromosomes condense and attach to spindle fibers
C Centrioles migrate to opposite poles
D The nuclear envelope dissolves
Correct Answer

Option A is the correct answer.

Detailed Explanation

During the S phase of interphase, the entire genome is duplicated, resulting in each chromosome consisting of two identical sister chromatids. This ensures each daughter cell receives a complete set.

Hint

This event creates the material that will be separated during division.

Question Info