A bivalent of meiosis i consists of

Options

A. two chromatids and one centromere
B. two chromatids and two centromeres
C. four chromatids and two centromeres
D. four chromatids and four centromeres.

Answer

C

Explanation

Bivalent is formed during zygotene. Each bivalent is made up of four chormatids, tow of each chromosme. Centromere is the part of chromosome. That attaches to the spindle during cell division. Each bivalent, thus, contains two centromeres.