Question Detail

BIO 101 Last Min Prep Objective Question

Question

As mitosis commences, a condensed chromosome consists of two: A. Centromeres B. Centrioles C. Kinetochores D. Chromatids
Options
A Centromeres
B Centrioles
C Kinetochores
D Chromatids
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

By the beginning of mitosis (prophase), DNA has already been replicated during S phase. Each chromosome is now made up of two identical copies called sister chromatids, which are joined together at a common centromere.

Hint

They are identical copies of the chromosome, connected at the waist.

Question Info