Question

At metaphase a chromosome consists of two units called.

• A. Centromere
• B. Chromomere
• C. Chromatids
• D. Centriole

Answer 1

The correct option is C

Chromatids

The correct option is C

1. One of the two identical parts of a chromosome after its duplication. A chromosome is formed by two sister chromatids during cell division.

Option A:

1. Centromere It is a constricted region of a chromosome. During cell division, a chromosome consists of two chromatids. The two chromatids of a chromosome are attached at the centromere.

Option B:

1. A chromomere also known as an idiomere, is one of the eukaryotic chromosome's serially aligned beads or granules formed by local coiling of a continuous DNA thread.

Option D:

1. Centrioles are barrel-shaped organelles found near the nuclear envelope in the cytoplasm of animal cells.