During the first metaphase of meiosis,the centromeres:

$A$ bivalent of meiosis $I$ consists of

Chiasma shows the sites of

During which phase do homologous chromosomes align at the equatorial plate of the cell?

Identify the correct sequence of events during Prophase $I$ of meiosis :
$(a)$ Synapsis of homologous chromosomes
$(b)$ Chromosomes become gradually visible under microscope
$(c)$ Crossing over between non-sister chromatids of homologous chromosomes
$(d)$ Terminalisation of chiasmata
$(e)$ Dissolution of synaptonemal complex
Choose the correct answer from the options given below :

Which one of the following is $INCORRECT$ about homologous chromosomes?