Question
Biology Question on Cell: the unit of life
A bivalent consists of:
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
four chromatids and two centromeres
Explanation
Solution
A bivalent consist of four chromatids and two centromeres. Bivalent is a pair of homologous chromosome lying together in the zygotene stage of prophase I of first meiotic division.
So, the correct option is (C): four chromatids and two centromeres.